#!/usr/bin/perl
use strict;
use warnings;
no warnings 'redefine';
use utf8;
use Test::More tests => 156;
use YAML;
use Data::Dumper;
use Scalar::Util qw(reftype);
use RDF::Query;
use_ok( 'RDF::Query::Parser::SPARQL' );
my $parser = new RDF::Query::Parser::SPARQL ();
isa_ok( $parser, 'RDF::Query::Parser::SPARQL' );
my (@data) = YAML::Load(do { local($/) = undef; <DATA> });
foreach (@data) {
next unless (reftype($_) eq 'ARRAY');
my ($name, $sparql, $correct) = @$_;
my $parsed = $parser->parse( $sparql );
my $r = is_deeply( $parsed, $correct, $name );
unless ($r) {
warn 'PARSE ERROR: ' . $parser->error;
# my $triples = $parsed->{triples} || [];
# foreach my $t (@$triples) {
# warn $t->as_sparql . "\n";
# }
# warn Dumper($parsed);
my $dump = YAML::Dump($parsed);
$dump =~ s/\n/\n /g;
warn $dump;
exit;
}
}
sub _____PATTERNS______ {}
##### PATTERNS
{
my $pattern = $parser->parse_pattern( "{ ?s ?p ?o }" );
isa_ok( $pattern, 'RDF::Query::Algebra::GroupGraphPattern' );
my $expect = bless( [
bless( [
bless( [
bless( [ 's' ], 'RDF::Query::Node::Variable' ),
bless( [ 'p' ], 'RDF::Query::Node::Variable' ),
bless( [ 'o' ], 'RDF::Query::Node::Variable' )
], 'RDF::Query::Algebra::Triple' )
], 'RDF::Query::Algebra::BasicGraphPattern' )
], 'RDF::Query::Algebra::GroupGraphPattern' );
is_deeply( $pattern, $expect, 'GGP with variables' );
}
{
my $pattern = $parser->parse_pattern( "{ ?s a ?o }" );
isa_ok( $pattern, 'RDF::Query::Algebra::GroupGraphPattern' );
my $expect = bless( [
bless( [
bless( [
bless( [ 's' ], 'RDF::Query::Node::Variable' ),
bless( [ 'URI', 'http://www.w3.org/1999/02/22-rdf-syntax-ns#type' ], 'RDF::Query::Node::Resource' ),
bless( [ 'o' ], 'RDF::Query::Node::Variable' )
], 'RDF::Query::Algebra::Triple' )
], 'RDF::Query::Algebra::BasicGraphPattern' )
], 'RDF::Query::Algebra::GroupGraphPattern' );
is_deeply( $pattern, $expect, 'GGP with variables and Verb' );
}
{
my $pattern = $parser->parse_pattern( "{ ?s a foaf:Person ; foaf:name ?o }", undef, { foaf => 'http://xmlns.com/foaf/0.1/' } );
isa_ok( $pattern, 'RDF::Query::Algebra::GroupGraphPattern' );
my $expect = bless( [
bless( [
bless( [
bless( [ 's' ], 'RDF::Query::Node::Variable' ),
bless( [ 'URI', 'http://www.w3.org/1999/02/22-rdf-syntax-ns#type' ], 'RDF::Query::Node::Resource' ),
bless( [ 'URI', 'http://xmlns.com/foaf/0.1/Person' ], 'RDF::Query::Node::Resource' ),
], 'RDF::Query::Algebra::Triple' ),
bless( [
bless( [ 's' ], 'RDF::Query::Node::Variable' ),
bless( [ 'URI', 'http://xmlns.com/foaf/0.1/name' ], 'RDF::Query::Node::Resource' ),
bless( [ 'o' ], 'RDF::Query::Node::Variable' )
], 'RDF::Query::Algebra::Triple' )
], 'RDF::Query::Algebra::BasicGraphPattern' )
], 'RDF::Query::Algebra::GroupGraphPattern' );
is_deeply( $pattern, $expect, 'GGP with multiple triples and QName' );
}
sub _____ERRORS______ {}
##### ERRORS
{
my $sparql = <<"END";
# Multiple DOTs
SELECT * WHERE
{ ?s ?p ?o .. }
END
my $parsed = $parser->parse( $sparql );
is( $parsed, undef, 'syn-bad-09.rq: Extra dot after triple' );
like( $parser->error, qr/Syntax error/, 'got error: Extra dot after triple' );
}
{
my $sparql = <<"END";
# DOT, no triples
SELECT * WHERE
{ . }
END
my $parsed = $parser->parse( $sparql );
is( $parsed, undef, 'Extra dot in empty GGP' );
like( $parser->error, qr/Syntax error/, 'got error: Extra dot in empty GGP' );
}
{
my $sparql = <<"END";
# Missing DOT between triples
PREFIX : <http://example/ns#>
SELECT *
{ :s1 :p1 :o1 :s2 :p2 :o2 . }
END
my $parsed = $parser->parse( $sparql );
is( $parsed, undef, 'Missing DOT between triples' );
like( $parser->error, qr/Syntax error/, 'got error: Missing DOT between triples' );
}
{
my $sparql = <<"END";
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
SELECT ?node
WHERE {
?node rdf:type <http://kasei.us/e/ns/mt/blog> .
}
extra stuff
END
my $parsed = $parser->parse( $sparql );
is( $parsed, undef, 'extra input after query' );
like( $parser->error, qr/Remaining input/, 'got error: remaining input' );
}
{
my $sparql = <<"END";
PREFIX dc10: <http://purl.org/dc/elements/1.1/>
PREFIX dc11: <http://purl.org/dc/elements/1.0/>
SELECT ?title ?author
WHERE {
{ ?book dc10:title ?title . ?book dc10:creator ?author }
UNION
?foo
}
END
my $parsed = $parser->parse( $sparql );
is( $parsed, undef, 'missing union part' );
like( $parser->error, qr/Expected GroupGraphPattern/, 'got error: Expected GroupGraphPattern' );
}
{
my $sparql = <<"END";
PREFIX dc10: <http://purl.org/dc/elements/1.1/>
PREFIX dc11: <http://purl.org/dc/elements/1.0/>
SELECT ?title ?author
WHERE {
?book dc10:title ?title .
?book dc10:creator ?author .
FILTER
}
END
my $parsed = $parser->parse( $sparql );
is( $parsed, undef, 'missing filter' );
like( $parser->error, qr/^Syntax error/, 'got expected syntax error' ); # XXX
# like( $parser->error, qr/^Expected FILTER declaration/, 'got expected error' );
}
{
my $sparql = <<"END";
PREFIX dc10: <http://purl.org/dc/elements/1.1/>
PREFIX dc11: <http://purl.org/dc/elements/1.0/>
SELECT ?title ?author
WHERE {
?book dc10:title ?title .
FILTER( ?title = ) .
}
END
my $parsed = $parser->parse( $sparql );
is( $parsed, undef, 'bad syntax in filter' );
like( $parser->error, qr/^Syntax error/, 'got expected syntax error' ); # XXX
# like( $parser->error, qr/^Expecting numeric expression/, 'got expected error' );
}
{
my $sparql = <<"END";
PREFIX dc10: <http://purl.org/dc/elements/1.1/>
PREFIX dc11: <http://purl.org/dc/elements/1.0/>
SELECT ?title ?author
WHERE {
?book dc10:title ?title .
FILTER( ?title = foo ) .
}
END
my $parsed = $parser->parse( $sparql );
is( $parsed, undef, 'bad syntax in filter' );
like( $parser->error, qr/^Syntax error/, 'got expected syntax error' ); # XXX
# like( $parser->error, qr/^Expecting ":"/, 'got expected error' );
}
{
my $sparql = <<"END";
PREFIX dc: <http://purl.org/dc/elements/1.1/>
SELECT ?title ?author
WHERE {
?book dc:title ?title ; dc:identifier ?id .
FILTER( ?id < 2 * ) .
}
END
my $parsed = $parser->parse( $sparql );
is( $parsed, undef, 'bad syntax in filter' );
like( $parser->error, qr/^Syntax error/, 'got expected syntax error' ); # XXX
# like( $parser->error, qr/^Expecting unary expression after '*'/, 'got expected error' );
}
{
my $sparql = <<"END";
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?x
WHERE { (1 2) foaf:name }
END
my $parsed = $parser->parse( $sparql );
is( $parsed, undef, 'missing object' );
like( $parser->error, qr/^Syntax error/, 'got expected syntax error' ); # XXX
# like( $parser->error, qr/Expecting object after predicate/, 'parse error' );
}
{
my $sparql = <<"END";
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?x
WHERE { [] foaf:name }
END
my $parsed = $parser->parse( $sparql );
is( $parsed, undef, 'missing object' );
like( $parser->error, qr/^Syntax error/, 'got expected syntax error' ); # XXX
# like( $parser->error, qr/Expecting object after predicate/, 'parse error' );
}
{
my $sparql = <<"END";
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?x
WHERE { ?x foaf:name }
END
my $parsed = $parser->parse( $sparql );
is( $parsed, undef, 'missing object' );
like( $parser->error, qr/^Syntax error/, 'got expected syntax error' ); # XXX
# like( $parser->error, qr/Expecting object after predicate/, 'parse error' );
}
{
my $sparql = <<"END";
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX geo: <http://www.w3.org/2003/01/geo/wgs84_pos#>
PREFIX mygeo: <http://kasei.us/e/ns/geo#>
SELECT ?image ?point ?lat
WHERE {
?point geo:lat ?lat .
FILTER( 10 > ?lat + )
}
END
my $parsed = $parser->parse( $sparql );
is( $parsed, undef, 'missing multiplicative expression' );
like( $parser->error, qr/^Syntax error/, 'got expected syntax error' ); # XXX
# like( $parser->error, qr/Expecting multiplicative expression after '[+]'/, 'parse error' );
}
{
my $sparql = <<"END";
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX geo: <http://www.w3.org/2003/01/geo/wgs84_pos#>
PREFIX mygeo: <http://kasei.us/e/ns/geo#>
SELECT ?image ?point ?lat
WHERE {
?point geo:lat ?lat .
FILTER( ! )
}
END
my $parsed = $parser->parse( $sparql );
is( $parsed, undef, 'missing multiplicative expression' );
like( $parser->error, qr/^Syntax error/, 'got expected syntax error' ); # XXX
# like( $parser->error, qr/Expecting primary expression after '[!]'/, 'parse error' );
}
{
my $sparql = <<"END";
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?name
WHERE {
?person a foaf:Person; foaf:name ?name
}
ORDER BY ASC
END
my $parsed = $parser->parse( $sparql );
is( $parsed, undef, 'bad ORDER BY expression' );
like( $parser->error, qr/Expected BrackettedExpression/, 'parse error' );
}
{
my $sparql = <<"END";
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?name
WHERE {
?person a foaf:Person; foaf:name ?name
}
ORDER BY
END
my $parsed = $parser->parse( $sparql );
is( $parsed, undef, 'bad ORDER BY expression' );
like( $parser->error, qr/^Syntax error/, 'got expected syntax error' ); # XXX
# like( $parser->error, qr/Expecting ORDER BY expression/, 'parse error' );
}
{
my $sparql = <<"END";
FOO ?name
WHERE {
?person a foaf:Person; foaf:name ?name
}
ORDER BY
END
my $parsed = $parser->parse( $sparql );
is( $parsed, undef, 'bad query type expression' );
like( $parser->error, qr/Expected query type/, 'got expected syntax error' );
}
{
my $sparql = <<"END";
SELECT ?name
WHERE {
]
}
ORDER BY
END
my $parsed = $parser->parse( $sparql );
is( $parsed, undef, 'bad triple pattern' );
like( $parser->error, qr/^Syntax error/, 'got expected syntax error' ); # XXX
# like( $parser->error, qr/Expecting "}"/, 'parse error' );
}
{
my $sparql = <<"END";
PREFIX : <http://example.org/>
SELECT *
WHERE
{
_:a ?p ?v . { _:a ?q 1 }
}
END
my $parsed = $parser->parse( $sparql );
is( $parsed, undef, '(DAWG) syn-bad-34.rq' );
if ($parsed) {
warn "unexpected parse tree: " . Dumper($parsed);
}
like( $parser->error, qr/^Same blank node identifier/, 'got expected syntax error' ); # XXX
}
{
my $sparql = <<"END";
PREFIX : <http://example.org/>
SELECT *
WHERE
{
{ _:a ?p ?v . } _:a ?q 1
}
END
my $parsed = $parser->parse( $sparql );
is( $parsed, undef, '(DAWG) syn-bad-37.rq' );
if ($parsed) {
warn "unexpected parse tree: " . Dumper($parsed);
}
like( $parser->error, qr/^Same blank node identifier/, 'got expected syntax error' ); # XXX
}
{
my $sparql = <<'END';
# bad: re-used BNode label after GRAPH
# $Id: syn-bad-GRAPH-breaks-BGP.rq,v 1.1 2007/02/15 15:14:31 eric Exp $
PREFIX : <http://example.org/>
SELECT *
WHERE
{
_:a ?p ?v . GRAPH ?g { ?s ?p ?v } _:a ?q 1
}
END
my $parsed = $parser->parse( $sparql );
is( $parsed, undef, '(DAWG) syn-bad-GRAPH-breaks-BGP.rq' );
if ($parsed) {
warn "unexpected parse tree: " . Dumper($parsed);
}
like( $parser->error, qr/^Same blank node identifier/, 'got expected syntax error' ); # XXX
}
{
my $sparql = <<"END";
PREFIX : <http://example.org/>
SELECT *
WHERE
{
_:a ?p ?v . OPTIONAL { ?s ?p ?v } _:a ?q 1
}
END
my $parsed = $parser->parse( $sparql );
is( $parsed, undef, '(DAWG) syn-bad-OPT-breaks-BGP.rq' );
if ($parsed) {
warn "unexpected parse tree: " . Dumper($parsed);
}
like( $parser->error, qr/^Same blank node identifier/, 'got expected syntax error' ); # XXX
}
__END__
---
- single triple; no prefix
- |
SELECT ?node
WHERE {
?node a <http://kasei.us/e/ns/mt/blog> .
}
- method: SELECT
namespaces: {}
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- node
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#type
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://kasei.us/e/ns/mt/blog
- &1
- !!perl/array:RDF::Query::Node::Variable
- node
variables: *1
---
- simple DESCRIBE
- |
DESCRIBE ?node
WHERE { ?node a <http://kasei.us/e/ns/mt/blog> }
- method: DESCRIBE
namespaces: {}
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- node
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#type
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://kasei.us/e/ns/mt/blog
variables:
- !!perl/array:RDF::Query::Node::Variable
- node
---
- SELECT, WHERE, USING
- |
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX geo: <http://www.w3.org/2003/01/geo/wgs84_pos#>
SELECT ?page
WHERE {
?person foaf:name "Gregory Todd Williams" .
?person foaf:homepage ?page .
}
- method: SELECT
namespaces:
dcterms: http://purl.org/dc/terms/
foaf: http://xmlns.com/foaf/0.1/
geo: http://www.w3.org/2003/01/geo/wgs84_pos#
rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Literal
- Gregory Todd Williams
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/homepage
- !!perl/array:RDF::Query::Node::Variable
- page
- &1
- !!perl/array:RDF::Query::Node::Variable
- page
variables: *1
---
- SELECT, WHERE, USING; variables with "$"
- |
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX geo: <http://www.w3.org/2003/01/geo/wgs84_pos#>
SELECT $page
WHERE {
$person foaf:name "Gregory Todd Williams" .
$person foaf:homepage $page .
}
- method: SELECT
namespaces:
dcterms: http://purl.org/dc/terms/
foaf: http://xmlns.com/foaf/0.1/
geo: http://www.w3.org/2003/01/geo/wgs84_pos#
rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Literal
- Gregory Todd Williams
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/homepage
- !!perl/array:RDF::Query::Node::Variable
- page
- &1
- !!perl/array:RDF::Query::Node::Variable
- page
variables: *1
---
- VarUri EQ OR constraint, numeric comparison constraint
- |
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX geo: <http://www.w3.org/2003/01/geo/wgs84_pos#>
SELECT ?image ?point ?lat
WHERE {
?point geo:lat ?lat .
?image ?pred ?point .
FILTER(
(?pred = <http://purl.org/dc/terms/spatial> || ?pred = <http://xmlns.com/foaf/0.1/based_near>)
&& ?lat > 52.988674
&& ?lat < 53.036526
) .
}
- method: SELECT
namespaces:
dcterms: http://purl.org/dc/terms/
foaf: http://xmlns.com/foaf/0.1/
geo: http://www.w3.org/2003/01/geo/wgs84_pos#
rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Filter
- FILTER
- !!perl/array:RDF::Query::Expression::Function
- !!perl/array:RDF::Query::Node::Resource
- URI
- sparql:logical-and
- !!perl/array:RDF::Query::Expression::Function
- !!perl/array:RDF::Query::Node::Resource
- URI
- sparql:logical-or
- !!perl/array:RDF::Query::Expression::Binary
- ==
- !!perl/array:RDF::Query::Node::Variable
- pred
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://purl.org/dc/terms/spatial
- !!perl/array:RDF::Query::Expression::Binary
- ==
- !!perl/array:RDF::Query::Node::Variable
- pred
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/based_near
- !!perl/array:RDF::Query::Expression::Binary
- '>'
- !!perl/array:RDF::Query::Node::Variable
- lat
- !!perl/array:RDF::Query::Node::Literal
- 52.988674
- ~
- http://www.w3.org/2001/XMLSchema#decimal
- !!perl/array:RDF::Query::Expression::Binary
- <
- !!perl/array:RDF::Query::Node::Variable
- lat
- !!perl/array:RDF::Query::Node::Literal
- 53.036526
- ~
- http://www.w3.org/2001/XMLSchema#decimal
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- point
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/2003/01/geo/wgs84_pos#lat
- !!perl/array:RDF::Query::Node::Variable
- lat
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- image
- !!perl/array:RDF::Query::Node::Variable
- pred
- !!perl/array:RDF::Query::Node::Variable
- point
- &1
- !!perl/array:RDF::Query::Node::Variable
- image
- !!perl/array:RDF::Query::Node::Variable
- point
- !!perl/array:RDF::Query::Node::Variable
- lat
variables: *1
---
- regex constraint; no trailing '.'
- |
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX geo: <http://www.w3.org/2003/01/geo/wgs84_pos#>
SELECT ?person ?homepage
WHERE {
?person foaf:name "Gregory Todd Williams" .
?person foaf:homepage ?homepage .
FILTER REGEX(?homepage, "kasei")
}
- method: SELECT
namespaces:
dcterms: http://purl.org/dc/terms/
foaf: http://xmlns.com/foaf/0.1/
geo: http://www.w3.org/2003/01/geo/wgs84_pos#
rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Filter
- FILTER
- !!perl/array:RDF::Query::Expression::Function
- !!perl/array:RDF::Query::Node::Resource
- URI
- sparql:regex
- !!perl/array:RDF::Query::Node::Variable
- homepage
- !!perl/array:RDF::Query::Node::Literal
- kasei
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Literal
- Gregory Todd Williams
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/homepage
- !!perl/array:RDF::Query::Node::Variable
- homepage
- &1
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Variable
- homepage
variables: *1
---
- filter with variable/function-call equality
- |
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX geo: <http://www.w3.org/2003/01/geo/wgs84_pos#>
PREFIX func: <http://example.com/>
SELECT ?person ?homepage
WHERE {
?person foaf:name "Gregory Todd Williams" .
?person ?pred ?homepage .
FILTER( ?pred = func:homepagepred() ) .
}
- method: SELECT
namespaces:
dcterms: http://purl.org/dc/terms/
foaf: http://xmlns.com/foaf/0.1/
geo: http://www.w3.org/2003/01/geo/wgs84_pos#
rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#
func: http://example.com/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Filter
- FILTER
- !!perl/array:RDF::Query::Expression::Binary
- ==
- !!perl/array:RDF::Query::Node::Variable
- pred
- !!perl/array:RDF::Query::Expression::Function
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.com/homepagepred
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Literal
- Gregory Todd Williams
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Variable
- pred
- !!perl/array:RDF::Query::Node::Variable
- homepage
- &1
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Variable
- homepage
variables: *1
---
- filter with variable/function-call equality
- |
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX geo: <http://www.w3.org/2003/01/geo/wgs84_pos#>
SELECT ?person ?homepage
WHERE {
?person foaf:name "Gregory Todd Williams" .
?person ?pred ?homepage .
FILTER( ?pred = <func:homepagepred>() ) .
}
- method: SELECT
namespaces:
dcterms: http://purl.org/dc/terms/
foaf: http://xmlns.com/foaf/0.1/
geo: http://www.w3.org/2003/01/geo/wgs84_pos#
rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Filter
- FILTER
- !!perl/array:RDF::Query::Expression::Binary
- ==
- !!perl/array:RDF::Query::Node::Variable
- pred
- !!perl/array:RDF::Query::Expression::Function
- !!perl/array:RDF::Query::Node::Resource
- URI
- func:homepagepred
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Literal
- Gregory Todd Williams
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Variable
- pred
- !!perl/array:RDF::Query::Node::Variable
- homepage
- &1
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Variable
- homepage
variables: *1
---
- filter with LANG(?var)/literal equality
- |
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX geo: <http://www.w3.org/2003/01/geo/wgs84_pos#>
SELECT ?person ?homepage
WHERE {
?person foaf:name ?name .
FILTER( LANG(?name) = 'en' ) .
}
- method: SELECT
namespaces:
dcterms: http://purl.org/dc/terms/
foaf: http://xmlns.com/foaf/0.1/
geo: http://www.w3.org/2003/01/geo/wgs84_pos#
rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Filter
- FILTER
- !!perl/array:RDF::Query::Expression::Binary
- ==
- !!perl/array:RDF::Query::Expression::Function
- !!perl/array:RDF::Query::Node::Resource
- URI
- sparql:lang
- !!perl/array:RDF::Query::Node::Variable
- name
- !!perl/array:RDF::Query::Node::Literal
- en
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Variable
- name
- &1
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Variable
- homepage
variables: *1
---
- filter with LANGMATCHES(?var, 'literal')
- |
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX geo: <http://www.w3.org/2003/01/geo/wgs84_pos#>
SELECT ?person ?homepage
WHERE {
?person foaf:name ?name .
FILTER( LANGMATCHES(?name, "foo"@en ) ).
}
- method: SELECT
namespaces:
dcterms: http://purl.org/dc/terms/
foaf: http://xmlns.com/foaf/0.1/
geo: http://www.w3.org/2003/01/geo/wgs84_pos#
rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Filter
- FILTER
- !!perl/array:RDF::Query::Expression::Function
- !!perl/array:RDF::Query::Node::Resource
- URI
- sparql:langmatches
- !!perl/array:RDF::Query::Node::Variable
- name
- !!perl/array:RDF::Query::Node::Literal
- foo
- en
- ~
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Variable
- name
- &1
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Variable
- homepage
variables: *1
---
- filter with isLITERAL(?var)
- |
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX geo: <http://www.w3.org/2003/01/geo/wgs84_pos#>
SELECT ?person ?homepage
WHERE {
?person foaf:name ?name .
FILTER( isLITERAL(?name) ).
}
- method: SELECT
namespaces:
dcterms: http://purl.org/dc/terms/
foaf: http://xmlns.com/foaf/0.1/
geo: http://www.w3.org/2003/01/geo/wgs84_pos#
rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Filter
- FILTER
- !!perl/array:RDF::Query::Expression::Function
- !!perl/array:RDF::Query::Node::Resource
- URI
- sparql:isliteral
- !!perl/array:RDF::Query::Node::Variable
- name
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Variable
- name
- &1
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Variable
- homepage
variables: *1
---
- filter with DATATYPE(?var)/URI equality
- |
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX geo: <http://www.w3.org/2003/01/geo/wgs84_pos#>
SELECT ?person ?homepage
WHERE {
?person foaf:name ?name .
FILTER( DATATYPE(?name) = rdf:Literal ) .
}
- method: SELECT
namespaces:
dcterms: http://purl.org/dc/terms/
foaf: http://xmlns.com/foaf/0.1/
geo: http://www.w3.org/2003/01/geo/wgs84_pos#
rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Filter
- FILTER
- !!perl/array:RDF::Query::Expression::Binary
- ==
- !!perl/array:RDF::Query::Expression::Function
- !!perl/array:RDF::Query::Node::Resource
- URI
- sparql:datatype
- !!perl/array:RDF::Query::Node::Variable
- name
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#Literal
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Variable
- name
- &1
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Variable
- homepage
variables: *1
---
- multiple attributes using ';'
- |
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?person ?homepage
WHERE {
?person foaf:name "Gregory Todd Williams" ; foaf:homepage ?homepage .
}
- method: SELECT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Literal
- Gregory Todd Williams
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/homepage
- !!perl/array:RDF::Query::Node::Variable
- homepage
- &2
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Variable
- homepage
variables: *2
---
- predicate with full qURI
- |
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?person
WHERE {
?person foaf:name "Gregory Todd Williams", "Greg Williams" .
}
- method: SELECT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Variable
- person
- &2 !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Literal
- Gregory Todd Williams
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- *2
- !!perl/array:RDF::Query::Node::Literal
- Greg Williams
- &3
- !!perl/array:RDF::Query::Node::Variable
- person
variables: *3
---
- "'a' rdf:type"
- |
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?person
WHERE {
?person <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> foaf:Person
}
- method: SELECT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#type
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/Person
- &1
- !!perl/array:RDF::Query::Node::Variable
- person
variables: *1
---
- "'a' rdf:type; multiple attributes using ';'"
- |
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?name
WHERE {
?person a foaf:Person ; foaf:name ?name .
}
- method: SELECT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#type
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/Person
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Variable
- name
- &2
- !!perl/array:RDF::Query::Node::Variable
- name
variables: *2
---
- "blank node subject; multiple attributes using ';'"
- |
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?nick
WHERE {
[ foaf:name "Gregory Todd Williams" ; foaf:nick ?nick ] .
}
- method: SELECT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Blank
- BLANK
- a1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Literal
- Gregory Todd Williams
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/nick
- !!perl/array:RDF::Query::Node::Variable
- nick
- &2
- !!perl/array:RDF::Query::Node::Variable
- nick
variables: *2
---
- "blank node subject; using brackets '[...]'; 'a' rdf:type"
- |
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?name
WHERE {
[ a foaf:Person ] foaf:name ?name .
}
- method: SELECT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Blank
- BLANK
- a1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#type
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/Person
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Variable
- name
- &2
- !!perl/array:RDF::Query::Node::Variable
- name
variables: *2
---
- "blank node subject; empty brackets '[]'"
- |
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?name
WHERE {
[] foaf:name ?name .
}
- method: SELECT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Blank
- BLANK
- a1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Variable
- name
- &1
- !!perl/array:RDF::Query::Node::Variable
- name
variables: *1
---
- blank node object
- |
PREFIX dao: <http://kasei.us/ns/dao#>
PREFIX dc: <http://purl.org/dc/elements/1.1/>
PREFIX beer: <http://www.csd.abdn.ac.uk/research/AgentCities/ontologies/beer#>
SELECT ?name
WHERE {
?me dao:consumed [ a beer:Ale ; beer:name ?name ] .
}
- method: SELECT
namespaces:
beer: http://www.csd.abdn.ac.uk/research/AgentCities/ontologies/beer#
dao: http://kasei.us/ns/dao#
dc: http://purl.org/dc/elements/1.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Blank
- BLANK
- a1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#type
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.csd.abdn.ac.uk/research/AgentCities/ontologies/beer#Ale
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.csd.abdn.ac.uk/research/AgentCities/ontologies/beer#name
- !!perl/array:RDF::Query::Node::Variable
- name
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- me
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://kasei.us/ns/dao#consumed
- *1
- &2
- !!perl/array:RDF::Query::Node::Variable
- name
variables: *2
---
- blank node; using qName _:abc
- |
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?name
WHERE {
_:abc foaf:name ?name .
}
- method: SELECT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Blank
- BLANK
- abc
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Variable
- name
- &1
- !!perl/array:RDF::Query::Node::Variable
- name
variables: *1
---
- select with ORDER BY
- |
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?name
WHERE {
?person a foaf:Person; foaf:name ?name
}
ORDER BY ?name
- method: SELECT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Sort
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#type
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/Person
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Variable
- name
-
- ASC
- !!perl/array:RDF::Query::Node::Variable
- name
- &2
- !!perl/array:RDF::Query::Node::Variable
- name
variables: *2
---
- select with DISTINCT
- |
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT DISTINCT ?name
WHERE {
?person a foaf:Person; foaf:name ?name
}
- method: SELECT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Distinct
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#type
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/Person
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Variable
- name
- &2
- !!perl/array:RDF::Query::Node::Variable
- name
variables: *2
---
- select with ORDER BY; asc()
- |
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?name
WHERE {
?person a foaf:Person; foaf:name ?name
}
ORDER BY asc( ?name )
- method: SELECT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Sort
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#type
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/Person
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Variable
- name
-
- ASC
- !!perl/array:RDF::Query::Node::Variable
- name
- &2
- !!perl/array:RDF::Query::Node::Variable
- name
variables: *2
---
- select with ORDER BY; DESC()
- |2
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?name
WHERE {
?person a foaf:Person; foaf:name ?name
}
ORDER BY DESC(?name)
- method: SELECT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Sort
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#type
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/Person
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Variable
- name
-
- DESC
- !!perl/array:RDF::Query::Node::Variable
- name
- &2
- !!perl/array:RDF::Query::Node::Variable
- name
variables: *2
---
- select with ORDER BY; DESC(); with LIMIT
- |2
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?name
WHERE {
?person a foaf:Person; foaf:name ?name
}
ORDER BY DESC(?name) LIMIT 10
- method: SELECT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Limit
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Sort
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#type
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/Person
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Variable
- name
-
- DESC
- !!perl/array:RDF::Query::Node::Variable
- name
- &2
- !!perl/array:RDF::Query::Node::Variable
- name
- 10
variables: *2
---
- select with ORDER BY; DESC(); with LIMIT
- |2
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?name
WHERE {
?person a foaf:Person; foaf:name ?name
}
ORDER BY DESC(?name) LIMIT 10 OFFSET 10
- method: SELECT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Limit
- !!perl/array:RDF::Query::Algebra::Offset
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Sort
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#type
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/Person
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Variable
- name
-
- DESC
- !!perl/array:RDF::Query::Node::Variable
- name
- &2
- !!perl/array:RDF::Query::Node::Variable
- name
- 10
- 10
variables: *2
---
- select with ORDER BY; DESC(); with LIMIT; variables with "$"
- |2
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX dc: <http://purl.org/dc/elements/1.1/>
select $pic $thumb $date
WHERE { $pic foaf:thumbnail $thumb .
$pic dc:date $date } order by desc($date) limit 10
- method: SELECT
namespaces:
dc: http://purl.org/dc/elements/1.1/
foaf: http://xmlns.com/foaf/0.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Limit
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Sort
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- pic
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/thumbnail
- !!perl/array:RDF::Query::Node::Variable
- thumb
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- pic
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://purl.org/dc/elements/1.1/date
- !!perl/array:RDF::Query::Node::Variable
- date
-
- DESC
- !!perl/array:RDF::Query::Node::Variable
- date
- &1
- !!perl/array:RDF::Query::Node::Variable
- pic
- !!perl/array:RDF::Query::Node::Variable
- thumb
- !!perl/array:RDF::Query::Node::Variable
- date
- 10
variables: *1
---
- FILTER function call 1
- |2
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX geo: <http://www.w3.org/2003/01/geo/wgs84_pos#>
PREFIX mygeo: <http://kasei.us/e/ns/geo#>
SELECT ?image ?point ?lat
WHERE {
?point geo:lat ?lat .
?image ?pred ?point .
FILTER( mygeo:distance(?point, +41.849331, -71.392) < 10 )
}
- method: SELECT
namespaces:
dcterms: http://purl.org/dc/terms/
foaf: http://xmlns.com/foaf/0.1/
geo: http://www.w3.org/2003/01/geo/wgs84_pos#
mygeo: http://kasei.us/e/ns/geo#
rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Filter
- FILTER
- !!perl/array:RDF::Query::Expression::Binary
- <
- !!perl/array:RDF::Query::Expression::Function
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://kasei.us/e/ns/geo#distance
- !!perl/array:RDF::Query::Node::Variable
- point
- !!perl/array:RDF::Query::Node::Literal
- +41.849331
- ~
- http://www.w3.org/2001/XMLSchema#decimal
- !!perl/array:RDF::Query::Node::Literal
- -71.392
- ~
- http://www.w3.org/2001/XMLSchema#decimal
- !!perl/array:RDF::Query::Node::Literal
- 10
- ~
- http://www.w3.org/2001/XMLSchema#integer
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- point
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/2003/01/geo/wgs84_pos#lat
- !!perl/array:RDF::Query::Node::Variable
- lat
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- image
- !!perl/array:RDF::Query::Node::Variable
- pred
- !!perl/array:RDF::Query::Node::Variable
- point
- &1
- !!perl/array:RDF::Query::Node::Variable
- image
- !!perl/array:RDF::Query::Node::Variable
- point
- !!perl/array:RDF::Query::Node::Variable
- lat
variables: *1
---
- OLDFILTER function call 2
- |2
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX geo: <http://www.w3.org/2003/01/geo/wgs84_pos#>
PREFIX mygeo: <http://kasei.us/e/ns/geo#>
SELECT ?image ?point ?lat
WHERE {
?point geo:lat ?lat .
?image ?pred ?point .
FILTER( mygeo:distance(?point, 41.849331, -71.392) < 5 + 5 )
}
- method: SELECT
namespaces:
dcterms: http://purl.org/dc/terms/
foaf: http://xmlns.com/foaf/0.1/
geo: http://www.w3.org/2003/01/geo/wgs84_pos#
mygeo: http://kasei.us/e/ns/geo#
rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Filter
- FILTER
- !!perl/array:RDF::Query::Expression::Binary
- <
- !!perl/array:RDF::Query::Expression::Function
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://kasei.us/e/ns/geo#distance
- !!perl/array:RDF::Query::Node::Variable
- point
- !!perl/array:RDF::Query::Node::Literal
- 41.849331
- ~
- http://www.w3.org/2001/XMLSchema#decimal
- !!perl/array:RDF::Query::Node::Literal
- -71.392
- ~
- http://www.w3.org/2001/XMLSchema#decimal
- !!perl/array:RDF::Query::Expression::Binary
- +
- !!perl/array:RDF::Query::Node::Literal
- 5
- ~
- http://www.w3.org/2001/XMLSchema#integer
- !!perl/array:RDF::Query::Node::Literal
- 5
- ~
- http://www.w3.org/2001/XMLSchema#integer
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- point
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/2003/01/geo/wgs84_pos#lat
- !!perl/array:RDF::Query::Node::Variable
- lat
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- image
- !!perl/array:RDF::Query::Node::Variable
- pred
- !!perl/array:RDF::Query::Node::Variable
- point
- &1
- !!perl/array:RDF::Query::Node::Variable
- image
- !!perl/array:RDF::Query::Node::Variable
- point
- !!perl/array:RDF::Query::Node::Variable
- lat
variables: *1
---
- OLDFILTER function call 3
- |2
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX geo: <http://www.w3.org/2003/01/geo/wgs84_pos#>
PREFIX mygeo: <http://kasei.us/e/ns/geo#>
SELECT ?image ?point ?lat
WHERE {
?point geo:lat ?lat .
?image ?pred ?point .
FILTER( mygeo:distance(?point, 41.849331, -71.392) < 5 * 5 )
}
- method: SELECT
namespaces:
dcterms: http://purl.org/dc/terms/
foaf: http://xmlns.com/foaf/0.1/
geo: http://www.w3.org/2003/01/geo/wgs84_pos#
mygeo: http://kasei.us/e/ns/geo#
rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Filter
- FILTER
- !!perl/array:RDF::Query::Expression::Binary
- <
- !!perl/array:RDF::Query::Expression::Function
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://kasei.us/e/ns/geo#distance
- !!perl/array:RDF::Query::Node::Variable
- point
- !!perl/array:RDF::Query::Node::Literal
- 41.849331
- ~
- http://www.w3.org/2001/XMLSchema#decimal
- !!perl/array:RDF::Query::Node::Literal
- -71.392
- ~
- http://www.w3.org/2001/XMLSchema#decimal
- !!perl/array:RDF::Query::Expression::Binary
- '*'
- !!perl/array:RDF::Query::Node::Literal
- 5
- ~
- http://www.w3.org/2001/XMLSchema#integer
- !!perl/array:RDF::Query::Node::Literal
- 5
- ~
- http://www.w3.org/2001/XMLSchema#integer
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- point
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/2003/01/geo/wgs84_pos#lat
- !!perl/array:RDF::Query::Node::Variable
- lat
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- image
- !!perl/array:RDF::Query::Node::Variable
- pred
- !!perl/array:RDF::Query::Node::Variable
- point
- &1
- !!perl/array:RDF::Query::Node::Variable
- image
- !!perl/array:RDF::Query::Node::Variable
- point
- !!perl/array:RDF::Query::Node::Variable
- lat
variables: *1
---
- multiple FILTERs; with function call
- |2
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX geo: <http://www.w3.org/2003/01/geo/wgs84_pos#>
PREFIX mygeo: <http://kasei.us/e/ns/geo#>
SELECT ?image ?point ?name
WHERE {
?image dcterms:spatial ?point .
?point foaf:name ?name .
FILTER( mygeo:distance(?point, 41.849331, -71.392) < 10 ) .
FILTER REGEX(?name, "Providence, RI")
}
- method: SELECT
namespaces:
dcterms: http://purl.org/dc/terms/
foaf: http://xmlns.com/foaf/0.1/
geo: http://www.w3.org/2003/01/geo/wgs84_pos#
mygeo: http://kasei.us/e/ns/geo#
rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Filter
- FILTER
- !!perl/array:RDF::Query::Expression::Function
- !!perl/array:RDF::Query::Node::Resource
- URI
- sparql:regex
- !!perl/array:RDF::Query::Node::Variable
- name
- !!perl/array:RDF::Query::Node::Literal
- 'Providence, RI'
- !!perl/array:RDF::Query::Algebra::Filter
- FILTER
- !!perl/array:RDF::Query::Expression::Binary
- <
- !!perl/array:RDF::Query::Expression::Function
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://kasei.us/e/ns/geo#distance
- !!perl/array:RDF::Query::Node::Variable
- point
- !!perl/array:RDF::Query::Node::Literal
- 41.849331
- ~
- http://www.w3.org/2001/XMLSchema#decimal
- !!perl/array:RDF::Query::Node::Literal
- -71.392
- ~
- http://www.w3.org/2001/XMLSchema#decimal
- !!perl/array:RDF::Query::Node::Literal
- 10
- ~
- http://www.w3.org/2001/XMLSchema#integer
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- image
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://purl.org/dc/terms/spatial
- !!perl/array:RDF::Query::Node::Variable
- point
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- point
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Variable
- name
- &1
- !!perl/array:RDF::Query::Node::Variable
- image
- !!perl/array:RDF::Query::Node::Variable
- point
- !!perl/array:RDF::Query::Node::Variable
- name
variables: *1
---
- "optional triple '{...}'"
- |2
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?person ?name ?mbox
WHERE {
?person foaf:name ?name .
OPTIONAL { ?person foaf:mbox ?mbox }
}
- method: SELECT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::Optional
- OPTIONAL
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Variable
- name
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/mbox
- !!perl/array:RDF::Query::Node::Variable
- mbox
- &1
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Variable
- name
- !!perl/array:RDF::Query::Node::Variable
- mbox
variables: *1
---
- "optional triples '{...; ...}'"
- |2
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?person ?name ?mbox ?nick
WHERE {
?person foaf:name ?name .
OPTIONAL {
?person foaf:mbox ?mbox; foaf:nick ?nick
}
}
- method: SELECT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::Optional
- OPTIONAL
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Variable
- name
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/mbox
- !!perl/array:RDF::Query::Node::Variable
- mbox
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/nick
- !!perl/array:RDF::Query::Node::Variable
- nick
- &2
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Variable
- name
- !!perl/array:RDF::Query::Node::Variable
- mbox
- !!perl/array:RDF::Query::Node::Variable
- nick
variables: *2
---
- union; sparql 6.2
- |2
PREFIX dc10: <http://purl.org/dc/elements/1.1/>
PREFIX dc11: <http://purl.org/dc/elements/1.0/>
SELECT ?title ?author
WHERE {
{ ?book dc10:title ?title . ?book dc10:creator ?author }
UNION
{ ?book dc11:title ?title . ?book dc11:creator ?author }
}
- method: SELECT
namespaces:
dc10: http://purl.org/dc/elements/1.1/
dc11: http://purl.org/dc/elements/1.0/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::Union
- UNION
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- book
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://purl.org/dc/elements/1.1/title
- !!perl/array:RDF::Query::Node::Variable
- title
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- book
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://purl.org/dc/elements/1.1/creator
- !!perl/array:RDF::Query::Node::Variable
- author
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- book
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://purl.org/dc/elements/1.0/title
- !!perl/array:RDF::Query::Node::Variable
- title
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- book
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://purl.org/dc/elements/1.0/creator
- !!perl/array:RDF::Query::Node::Variable
- author
- &1
- !!perl/array:RDF::Query::Node::Variable
- title
- !!perl/array:RDF::Query::Node::Variable
- author
variables: *1
---
- literal language tag @en
- |2
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?person ?homepage
WHERE {
?person foaf:name "Gary P"@en ; foaf:homepage ?homepage .
}
- method: SELECT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Literal
- Gary P
- en
- ~
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/homepage
- !!perl/array:RDF::Query::Node::Variable
- homepage
- &2
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Variable
- homepage
variables: *2
---
- typed literal ^^URI
- |2
PREFIX dc: <http://purl.org/dc/elements/1.1/>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?image
WHERE {
?image dc:date "2005-04-07T18:27:56-04:00"^^<http://www.w3.org/2001/XMLSchema#dateTime>
}
- method: SELECT
namespaces:
dc: http://purl.org/dc/elements/1.1/
foaf: http://xmlns.com/foaf/0.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- image
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://purl.org/dc/elements/1.1/date
- !!perl/array:RDF::Query::Node::Literal
- 2005-04-07T18:27:56-04:00
- ~
- http://www.w3.org/2001/XMLSchema#dateTime
- &1
- !!perl/array:RDF::Query::Node::Variable
- image
variables: *1
---
- typed literal ^^qName
- |2
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX dc: <http://purl.org/dc/elements/1.1/>
PREFIX xs: <http://www.w3.org/2001/XMLSchema#>
SELECT ?image
WHERE {
?image dc:date "2005-04-07T18:27:56-04:00"^^xs:dateTime
}
- method: SELECT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
dc: http://purl.org/dc/elements/1.1/
xs: http://www.w3.org/2001/XMLSchema#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- image
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://purl.org/dc/elements/1.1/date
- !!perl/array:RDF::Query::Node::Literal
- 2005-04-07T18:27:56-04:00
- ~
- http://www.w3.org/2001/XMLSchema#dateTime
- &1
- !!perl/array:RDF::Query::Node::Variable
- image
variables: *1
---
- subject collection syntax
- |2
SELECT ?x
WHERE { (1 ?x 3) }
- method: SELECT
namespaces: {}
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Blank
- BLANK
- a1
- &2 !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#first
- !!perl/array:RDF::Query::Node::Literal
- 1
- ~
- http://www.w3.org/2001/XMLSchema#integer
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- &3 !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#rest
- &4 !!perl/array:RDF::Query::Node::Blank
- BLANK
- a2
- !!perl/array:RDF::Query::Algebra::Triple
- *4
- *2
- !!perl/array:RDF::Query::Node::Variable
- x
- !!perl/array:RDF::Query::Algebra::Triple
- *4
- *3
- &5 !!perl/array:RDF::Query::Node::Blank
- BLANK
- a3
- !!perl/array:RDF::Query::Algebra::Triple
- *5
- *2
- !!perl/array:RDF::Query::Node::Literal
- 3
- ~
- http://www.w3.org/2001/XMLSchema#integer
- !!perl/array:RDF::Query::Algebra::Triple
- *5
- *3
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#nil
- &6
- !!perl/array:RDF::Query::Node::Variable
- x
variables: *6
---
- subject collection syntax; with pred-obj.
- |2
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?x
WHERE { (1 ?x 3) foaf:name "My Collection" }
- method: SELECT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Blank
- BLANK
- a1
- &2 !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#first
- !!perl/array:RDF::Query::Node::Literal
- 1
- ~
- http://www.w3.org/2001/XMLSchema#integer
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- &3 !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#rest
- &4 !!perl/array:RDF::Query::Node::Blank
- BLANK
- a2
- !!perl/array:RDF::Query::Algebra::Triple
- *4
- *2
- !!perl/array:RDF::Query::Node::Variable
- x
- !!perl/array:RDF::Query::Algebra::Triple
- *4
- *3
- &5 !!perl/array:RDF::Query::Node::Blank
- BLANK
- a3
- !!perl/array:RDF::Query::Algebra::Triple
- *5
- *2
- !!perl/array:RDF::Query::Node::Literal
- 3
- ~
- http://www.w3.org/2001/XMLSchema#integer
- !!perl/array:RDF::Query::Algebra::Triple
- *5
- *3
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#nil
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Literal
- My Collection
- &6
- !!perl/array:RDF::Query::Node::Variable
- x
variables: *6
---
- subject collection syntax; object collection syntax
- |2
PREFIX dc: <http://purl.org/dc/elements/1.1/>
SELECT ?x
WHERE { (1 ?x 3) dc:subject (1 2 3) }
- method: SELECT
namespaces:
dc: http://purl.org/dc/elements/1.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Blank
- BLANK
- a1
- &2 !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#first
- !!perl/array:RDF::Query::Node::Literal
- 1
- ~
- http://www.w3.org/2001/XMLSchema#integer
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- &3 !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#rest
- &4 !!perl/array:RDF::Query::Node::Blank
- BLANK
- a2
- !!perl/array:RDF::Query::Algebra::Triple
- *4
- *2
- !!perl/array:RDF::Query::Node::Variable
- x
- !!perl/array:RDF::Query::Algebra::Triple
- *4
- *3
- &5 !!perl/array:RDF::Query::Node::Blank
- BLANK
- a3
- !!perl/array:RDF::Query::Algebra::Triple
- *5
- *2
- !!perl/array:RDF::Query::Node::Literal
- 3
- ~
- http://www.w3.org/2001/XMLSchema#integer
- !!perl/array:RDF::Query::Algebra::Triple
- *5
- *3
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#nil
- !!perl/array:RDF::Query::Algebra::Triple
- &6 !!perl/array:RDF::Query::Node::Blank
- BLANK
- a5
- &7 !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#first
- !!perl/array:RDF::Query::Node::Literal
- 1
- ~
- http://www.w3.org/2001/XMLSchema#integer
- !!perl/array:RDF::Query::Algebra::Triple
- *6
- &8 !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#rest
- &9 !!perl/array:RDF::Query::Node::Blank
- BLANK
- a6
- !!perl/array:RDF::Query::Algebra::Triple
- *9
- *7
- !!perl/array:RDF::Query::Node::Literal
- 2
- ~
- http://www.w3.org/2001/XMLSchema#integer
- !!perl/array:RDF::Query::Algebra::Triple
- *9
- *8
- &10 !!perl/array:RDF::Query::Node::Blank
- BLANK
- a7
- !!perl/array:RDF::Query::Algebra::Triple
- *10
- *7
- !!perl/array:RDF::Query::Node::Literal
- 3
- ~
- http://www.w3.org/2001/XMLSchema#integer
- !!perl/array:RDF::Query::Algebra::Triple
- *10
- *8
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#nil
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://purl.org/dc/elements/1.1/subject
- *6
- &11
- !!perl/array:RDF::Query::Node::Variable
- x
variables: *11
---
- object collection syntax
- |2
PREFIX test: <http://kasei.us/e/ns/test#>
SELECT ?x
WHERE {
<http://kasei.us/about/foaf.xrdf#greg> test:mycollection (1 ?x 3) .
}
- method: SELECT
namespaces:
test: http://kasei.us/e/ns/test#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Blank
- BLANK
- a1
- &2 !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#first
- !!perl/array:RDF::Query::Node::Literal
- 1
- ~
- http://www.w3.org/2001/XMLSchema#integer
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- &3 !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#rest
- &4 !!perl/array:RDF::Query::Node::Blank
- BLANK
- a2
- !!perl/array:RDF::Query::Algebra::Triple
- *4
- *2
- !!perl/array:RDF::Query::Node::Variable
- x
- !!perl/array:RDF::Query::Algebra::Triple
- *4
- *3
- &5 !!perl/array:RDF::Query::Node::Blank
- BLANK
- a3
- !!perl/array:RDF::Query::Algebra::Triple
- *5
- *2
- !!perl/array:RDF::Query::Node::Literal
- 3
- ~
- http://www.w3.org/2001/XMLSchema#integer
- !!perl/array:RDF::Query::Algebra::Triple
- *5
- *3
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#nil
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://kasei.us/about/foaf.xrdf#greg
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://kasei.us/e/ns/test#mycollection
- *1
- &6
- !!perl/array:RDF::Query::Node::Variable
- x
variables: *6
---
- SELECT *
- |2
SELECT *
WHERE { ?a ?a ?b . }
- method: SELECT
namespaces: {}
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- a
- !!perl/array:RDF::Query::Node::Variable
- a
- !!perl/array:RDF::Query::Node::Variable
- b
- &1
- !!perl/array:RDF::Query::Node::Variable
- a
- !!perl/array:RDF::Query::Node::Variable
- b
variables:
- !!perl/array:RDF::Query::Node::Variable
- a
- !!perl/array:RDF::Query::Node::Variable
- b
---
- default prefix
- |2
PREFIX : <http://xmlns.com/foaf/0.1/>
SELECT ?person
WHERE {
?person :name "Gregory Todd Williams", "Greg Williams" .
}
- method: SELECT
namespaces:
__DEFAULT__: http://xmlns.com/foaf/0.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Variable
- person
- &2 !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Literal
- Gregory Todd Williams
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- *2
- !!perl/array:RDF::Query::Node::Literal
- Greg Williams
- &3
- !!perl/array:RDF::Query::Node::Variable
- person
variables: *3
---
- select from named; single triple; no prefix
- |2
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?src ?name
FROM NAMED <file://data/named_graphs/alice.rdf>
FROM NAMED <file://data/named_graphs/bob.rdf>
WHERE {
GRAPH ?src { ?x foaf:name ?name }
}
- method: SELECT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
sources:
-
- !!perl/array:RDF::Query::Node::Resource
- URI
- file://data/named_graphs/alice.rdf
- NAMED
-
- !!perl/array:RDF::Query::Node::Resource
- URI
- file://data/named_graphs/bob.rdf
- NAMED
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::NamedGraph
- GRAPH
- &1 !!perl/array:RDF::Query::Node::Variable
- src
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Quad
- !!perl/array:RDF::Query::Node::Variable
- x
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Variable
- name
- *1
- &2
- !!perl/array:RDF::Query::Node::Variable
- src
- !!perl/array:RDF::Query::Node::Variable
- name
variables: *2
---
- ASK FILTER; using <= (shouldn't parse as '<')
- |2
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
ASK {
FILTER ( "1995-11-05"^^xsd:dateTime <= "1994-11-05T13:15:30Z"^^xsd:dateTime ) .
}
- method: ASK
namespaces:
xsd: http://www.w3.org/2001/XMLSchema#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Filter
- FILTER
- !!perl/array:RDF::Query::Expression
- <=
- !!perl/array:RDF::Query::Node::Literal
- 1995-11-05
- ~
- http://www.w3.org/2001/XMLSchema#dateTime
- !!perl/array:RDF::Query::Node::Literal
- 1994-11-05T13:15:30Z
- ~
- http://www.w3.org/2001/XMLSchema#dateTime
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern []
variables: []
---
- ORDER BY with expression
- |2
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX geo: <http://www.w3.org/2003/01/geo/wgs84_pos#>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
SELECT ?image ?point ?lat
WHERE {
?point geo:lat ?lat .
?image ?pred ?point .
}
ORDER BY ASC( xsd:decimal( ?lat ) )
- method: SELECT
namespaces:
dcterms: http://purl.org/dc/terms/
foaf: http://xmlns.com/foaf/0.1/
geo: http://www.w3.org/2003/01/geo/wgs84_pos#
rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#
xsd: http://www.w3.org/2001/XMLSchema#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Sort
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- point
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/2003/01/geo/wgs84_pos#lat
- !!perl/array:RDF::Query::Node::Variable
- lat
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- image
- !!perl/array:RDF::Query::Node::Variable
- pred
- !!perl/array:RDF::Query::Node::Variable
- point
-
- ASC
- !!perl/array:RDF::Query::Expression::Function
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/2001/XMLSchema#decimal
- !!perl/array:RDF::Query::Node::Variable
- lat
- &1
- !!perl/array:RDF::Query::Node::Variable
- image
- !!perl/array:RDF::Query::Node::Variable
- point
- !!perl/array:RDF::Query::Node::Variable
- lat
variables: *1
---
- triple pattern with trailing internal '.'
- |
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX cyc: <http://www.cyc.com/2004/06/04/cyc#>
PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX dc: <http://purl.org/dc/elements/1.1/>
SELECT ?place ?img ?date
WHERE {
?region foaf:name "Maine" .
?p cyc:inRegion ?region; foaf:name ?place .
?img dcterms:spatial ?p .
?img dc:date ?date; rdf:type foaf:Image .
}
ORDER BY DESC(?date)
LIMIT 10
- method: SELECT
namespaces:
cyc: http://www.cyc.com/2004/06/04/cyc#
dc: http://purl.org/dc/elements/1.1/
dcterms: http://purl.org/dc/terms/
foaf: http://xmlns.com/foaf/0.1/
rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Limit
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Sort
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- region
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Literal
- Maine
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Variable
- p
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.cyc.com/2004/06/04/cyc#inRegion
- !!perl/array:RDF::Query::Node::Variable
- region
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Variable
- place
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- img
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://purl.org/dc/terms/spatial
- !!perl/array:RDF::Query::Node::Variable
- p
- !!perl/array:RDF::Query::Algebra::Triple
- &2 !!perl/array:RDF::Query::Node::Variable
- img
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://purl.org/dc/elements/1.1/date
- !!perl/array:RDF::Query::Node::Variable
- date
- !!perl/array:RDF::Query::Algebra::Triple
- *2
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#type
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/Image
-
- DESC
- !!perl/array:RDF::Query::Node::Variable
- date
- &3
- !!perl/array:RDF::Query::Node::Variable
- place
- !!perl/array:RDF::Query::Node::Variable
- img
- !!perl/array:RDF::Query::Node::Variable
- date
- 10
variables: *3
---
- "[bug] query with predicate starting with 'a' (confused with { ?subj a ?type})"
- |2
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX cyc: <http://www.cyc.com/2004/06/04/cyc#>
PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX dc: <http://purl.org/dc/elements/1.1/>
PREFIX album: <http://kasei.us/e/ns/album#>
PREFIX p: <http://www.usefulinc.com/picdiary/>
SELECT ?img ?date
WHERE {
<http://kasei.us/pictures/parties/19991205-Tims_Party/> album:image ?img .
?img dc:date ?date ; rdf:type foaf:Image .
}
ORDER BY DESC(?date)
- method: SELECT
namespaces:
album: http://kasei.us/e/ns/album#
cyc: http://www.cyc.com/2004/06/04/cyc#
dc: http://purl.org/dc/elements/1.1/
dcterms: http://purl.org/dc/terms/
foaf: http://xmlns.com/foaf/0.1/
p: http://www.usefulinc.com/picdiary/
rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Sort
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://kasei.us/pictures/parties/19991205-Tims_Party/
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://kasei.us/e/ns/album#image
- !!perl/array:RDF::Query::Node::Variable
- img
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Variable
- img
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://purl.org/dc/elements/1.1/date
- !!perl/array:RDF::Query::Node::Variable
- date
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#type
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/Image
-
- DESC
- !!perl/array:RDF::Query::Node::Variable
- date
- &2
- !!perl/array:RDF::Query::Node::Variable
- img
- !!perl/array:RDF::Query::Node::Variable
- date
variables: *2
---
- dawg/simple/01
- |2
PREFIX : <http://example.org/data/>
SELECT *
WHERE { :x ?p ?q . }
- method: SELECT
namespaces:
__DEFAULT__: http://example.org/data/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/data/x
- !!perl/array:RDF::Query::Node::Variable
- p
- !!perl/array:RDF::Query::Node::Variable
- q
- &1
- !!perl/array:RDF::Query::Node::Variable
- p
- !!perl/array:RDF::Query::Node::Variable
- q
variables:
- !!perl/array:RDF::Query::Node::Variable
- p
- !!perl/array:RDF::Query::Node::Variable
- q
---
- single triple with comment; dawg/data/part1
- |2
# Get name, and optionally the mbox, of each person
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?name ?mbox
WHERE
{ ?person foaf:name ?name .
OPTIONAL { ?person foaf:mbox ?mbox}
}
- method: SELECT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::Optional
- OPTIONAL
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Variable
- name
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/mbox
- !!perl/array:RDF::Query::Node::Variable
- mbox
- &1
- !!perl/array:RDF::Query::Node::Variable
- name
- !!perl/array:RDF::Query::Node::Variable
- mbox
variables: *1
---
- ask query
- |
ASK {
?node a <http://kasei.us/e/ns/mt/blog> .
}
- method: ASK
namespaces: {}
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- node
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#type
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://kasei.us/e/ns/mt/blog
variables: []
---
- blank-pred-blank
- |
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?name
WHERE {
[ foaf:name ?name ] foaf:maker []
}
- method: SELECT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Blank
- BLANK
- a1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Variable
- name
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/maker
- !!perl/array:RDF::Query::Node::Blank
- BLANK
- a2
- &2
- !!perl/array:RDF::Query::Node::Variable
- name
variables: *2
---
- Filter with unary-plus
- |
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX geo: <http://www.w3.org/2003/01/geo/wgs84_pos#>
SELECT ?image ?point ?lat
WHERE {
?point geo:lat ?lat .
?image ?pred ?point .
FILTER( ?lat > +52 )
}
- method: SELECT
namespaces:
dcterms: http://purl.org/dc/terms/
foaf: http://xmlns.com/foaf/0.1/
geo: http://www.w3.org/2003/01/geo/wgs84_pos#
rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Filter
- FILTER
- !!perl/array:RDF::Query::Expression::Binary
- '>'
- !!perl/array:RDF::Query::Node::Variable
- lat
- !!perl/array:RDF::Query::Node::Literal
- +52
- ~
- http://www.w3.org/2001/XMLSchema#integer
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- point
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/2003/01/geo/wgs84_pos#lat
- !!perl/array:RDF::Query::Node::Variable
- lat
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- image
- !!perl/array:RDF::Query::Node::Variable
- pred
- !!perl/array:RDF::Query::Node::Variable
- point
- &1
- !!perl/array:RDF::Query::Node::Variable
- image
- !!perl/array:RDF::Query::Node::Variable
- point
- !!perl/array:RDF::Query::Node::Variable
- lat
variables: *1
---
- Filter with isIRI
- |
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX geo: <http://www.w3.org/2003/01/geo/wgs84_pos#>
SELECT ?image ?point ?lat
WHERE {
?point geo:lat ?lat .
?image ?pred ?point .
FILTER( isIRI(?image) )
}
- method: SELECT
namespaces:
dcterms: http://purl.org/dc/terms/
foaf: http://xmlns.com/foaf/0.1/
geo: http://www.w3.org/2003/01/geo/wgs84_pos#
rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Filter
- FILTER
- !!perl/array:RDF::Query::Expression::Function
- !!perl/array:RDF::Query::Node::Resource
- URI
- sparql:isiri
- !!perl/array:RDF::Query::Node::Variable
- image
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- point
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/2003/01/geo/wgs84_pos#lat
- !!perl/array:RDF::Query::Node::Variable
- lat
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- image
- !!perl/array:RDF::Query::Node::Variable
- pred
- !!perl/array:RDF::Query::Node::Variable
- point
- &1
- !!perl/array:RDF::Query::Node::Variable
- image
- !!perl/array:RDF::Query::Node::Variable
- point
- !!perl/array:RDF::Query::Node::Variable
- lat
variables: *1
---
- 'xsd:double'
- |
PREFIX dc: <http://purl.org/dc/elements/1.1/>
SELECT ?node
WHERE {
?node dc:identifier 1e4 .
}
- method: SELECT
namespaces:
dc: http://purl.org/dc/elements/1.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- node
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://purl.org/dc/elements/1.1/identifier
- !!perl/array:RDF::Query::Node::Literal
- 1e4
- ~
- http://www.w3.org/2001/XMLSchema#double
- &1
- !!perl/array:RDF::Query::Node::Variable
- node
variables: *1
---
- boolean literal
- |
PREFIX dc: <http://purl.org/dc/elements/1.1/>
SELECT ?node
WHERE {
?node dc:identifier true .
}
- method: SELECT
namespaces:
dc: http://purl.org/dc/elements/1.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- node
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://purl.org/dc/elements/1.1/identifier
- !!perl/array:RDF::Query::Node::Literal
- true
- ~
- http://www.w3.org/2001/XMLSchema#boolean
- &1
- !!perl/array:RDF::Query::Node::Variable
- node
variables: *1
---
- select with ORDER BY function call
- |
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX : <http://example.com/>
SELECT ?name
WHERE {
?person a foaf:Person; foaf:name ?name
}
ORDER BY :foo(?name)
- method: SELECT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
__DEFAULT__: http://example.com/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Sort
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#type
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/Person
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Variable
- name
-
- ASC
- !!perl/array:RDF::Query::Expression::Function
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.com/foo
- !!perl/array:RDF::Query::Node::Variable
- name
- &2
- !!perl/array:RDF::Query::Node::Variable
- name
variables: *2
---
- select with bnode object as second pred-obj
- |
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?name
WHERE {
?r foaf:name ?name ; foaf:maker [ a foaf:Person ]
}
- method: SELECT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Blank
- BLANK
- a1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#type
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/Person
- !!perl/array:RDF::Query::Algebra::Triple
- &2 !!perl/array:RDF::Query::Node::Variable
- r
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Variable
- name
- !!perl/array:RDF::Query::Algebra::Triple
- *2
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/maker
- *1
- &3
- !!perl/array:RDF::Query::Node::Variable
- name
variables: *3
---
- select with qname with '-2' suffix
- |
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX wn: <http://xmlns.com/wordnet/1.6/>
SELECT ?thing
WHERE {
?image a foaf:Image ;
foaf:depicts ?thing .
?thing a wn:Flower-2 .
}
- method: SELECT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
wn: http://xmlns.com/wordnet/1.6/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Variable
- image
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#type
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/Image
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/depicts
- !!perl/array:RDF::Query::Node::Variable
- thing
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- thing
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#type
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/wordnet/1.6/Flower-2
- &2
- !!perl/array:RDF::Query::Node::Variable
- thing
variables: *2
---
- select with qname with underscore
- |
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?name
WHERE {
?p a foaf:Person ;
foaf:mbox_sha1sum "2057969209f1dfdad832de387cf13e6ff8c93b12" ;
foaf:name ?name .
}
- method: SELECT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Variable
- p
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#type
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/Person
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/mbox_sha1sum
- !!perl/array:RDF::Query::Node::Literal
- 2057969209f1dfdad832de387cf13e6ff8c93b12
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Variable
- name
- &2
- !!perl/array:RDF::Query::Node::Variable
- name
variables: *2
---
- construct with one construct triple
- |
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
CONSTRUCT { ?person foaf:name ?name }
WHERE { ?person foaf:firstName ?name }
- method: CONSTRUCT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Construct
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/firstName
- !!perl/array:RDF::Query::Node::Variable
- name
-
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Variable
- name
---
- construct with two construct triples
- |
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
CONSTRUCT { ?person foaf:name ?name . ?person a foaf:Person }
WHERE { ?person foaf:firstName ?name }
- method: CONSTRUCT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Construct
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/firstName
- !!perl/array:RDF::Query::Node::Variable
- name
-
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Variable
- name
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#type
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/Person
---
- construct with three construct triples
- |
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
CONSTRUCT { ?person a foaf:Person . ?person foaf:name ?name . ?person foaf:firstName ?name }
WHERE { ?person foaf:firstName ?name }
- method: CONSTRUCT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Construct
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/firstName
- !!perl/array:RDF::Query::Node::Variable
- name
-
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#type
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/Person
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Variable
- name
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/firstName
- !!perl/array:RDF::Query::Node::Variable
- name
---
- select with triple-optional-triple
- |
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?person ?nick ?page
WHERE {
?person foaf:name "Gregory Todd Williams" .
OPTIONAL { ?person foaf:nick ?nick } .
?person foaf:homepage ?page
}
- method: SELECT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::Optional
- OPTIONAL
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Literal
- Gregory Todd Williams
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/nick
- !!perl/array:RDF::Query::Node::Variable
- nick
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/homepage
- !!perl/array:RDF::Query::Node::Variable
- page
- &1
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Variable
- nick
- !!perl/array:RDF::Query::Node::Variable
- page
variables: *1
---
- select with FROM
- |
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX geo: <http://www.w3.org/2003/01/geo/wgs84_pos#>
SELECT ?lat ?long
FROM <http://kasei.us/code/rdf-query/test-data/greenwich.rdf>
WHERE {
?point a geo:Point ;
geo:lat ?lat ;
geo:long ?long .
}
- method: SELECT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
geo: http://www.w3.org/2003/01/geo/wgs84_pos#
sources:
-
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://kasei.us/code/rdf-query/test-data/greenwich.rdf
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Variable
- point
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#type
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/2003/01/geo/wgs84_pos#Point
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/2003/01/geo/wgs84_pos#lat
- !!perl/array:RDF::Query::Node::Variable
- lat
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/2003/01/geo/wgs84_pos#long
- !!perl/array:RDF::Query::Node::Variable
- long
- &2
- !!perl/array:RDF::Query::Node::Variable
- lat
- !!perl/array:RDF::Query::Node::Variable
- long
variables: *2
---
- select with graph-triple-triple
- |
# select all the email addresses ever held by the person
# who held a given email address on 2007-01-01
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX t: <http://www.w3.org/2006/09/time#>
SELECT ?mbox WHERE {
GRAPH ?time { ?p foaf:mbox <mailto:gtw@cs.umd.edu> } .
?time t:inside "2007-01-01" .
?p foaf:mbox ?mbox .
}
- method: SELECT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
t: http://www.w3.org/2006/09/time#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::NamedGraph
- GRAPH
- &1 !!perl/array:RDF::Query::Node::Variable
- time
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Quad
- !!perl/array:RDF::Query::Node::Variable
- p
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/mbox
- !!perl/array:RDF::Query::Node::Resource
- URI
- mailto:gtw@cs.umd.edu
- *1
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- time
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/2006/09/time#inside
- !!perl/array:RDF::Query::Node::Literal
- 2007-01-01
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- p
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/mbox
- !!perl/array:RDF::Query::Node::Variable
- mbox
- &2
- !!perl/array:RDF::Query::Node::Variable
- mbox
variables: *2
---
- (DAWG) syn-leading-digits-in-prefixed-names.rq
- |
PREFIX dob: <http://placetime.com/interval/gregorian/1977-01-18T04:00:00Z/P>
PREFIX t: <http://www.ai.sri.com/daml/ontologies/time/Time.daml#>
PREFIX dc: <http://purl.org/dc/elements/1.1/>
SELECT ?desc
WHERE {
dob:1D a t:ProperInterval;
dc:description ?desc.
}
- method: SELECT
namespaces:
dob: http://placetime.com/interval/gregorian/1977-01-18T04:00:00Z/P
t: http://www.ai.sri.com/daml/ontologies/time/Time.daml#
dc: http://purl.org/dc/elements/1.1/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Resource
- URI
- http://placetime.com/interval/gregorian/1977-01-18T04:00:00Z/P1D
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#type
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.ai.sri.com/daml/ontologies/time/Time.daml#ProperInterval
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://purl.org/dc/elements/1.1/description
- !!perl/array:RDF::Query::Node::Variable
- desc
- &2
- !!perl/array:RDF::Query::Node::Variable
- desc
variables: *2
---
- (DAWG) syn-07.rq
- |
# Trailing ;
PREFIX : <http://example/ns#>
SELECT * WHERE
{ :s :p :o ; FILTER(?x) }
- method: SELECT
namespaces:
__DEFAULT__: http://example/ns#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Filter
- FILTER
- !!perl/array:RDF::Query::Node::Variable
- x
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example/ns#s
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example/ns#p
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example/ns#o
- &1
- !!perl/array:RDF::Query::Node::Variable
- x
variables:
- !!perl/array:RDF::Query::Node::Variable
- x
---
- (DAWG) syn-08.rq
- |
# Broken ;
PREFIX : <http://example/ns#>
SELECT * WHERE
{ :s :p :o ; . }
- method: SELECT
namespaces:
__DEFAULT__: http://example/ns#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example/ns#s
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example/ns#p
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example/ns#o
- &1 []
variables: []
---
- (DAWG) syn-11.rq
- |
PREFIX : <http://example.org/>
SELECT *
WHERE
{
_:a ?p ?v . FILTER(true) . [] ?q _:a
}
- method: SELECT
namespaces:
__DEFAULT__: http://example.org/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Filter
- FILTER
- !!perl/array:RDF::Query::Node::Literal
- true
- ~
- http://www.w3.org/2001/XMLSchema#boolean
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Blank
- BLANK
- a
- !!perl/array:RDF::Query::Node::Variable
- p
- !!perl/array:RDF::Query::Node::Variable
- v
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Blank
- BLANK
- a1
- !!perl/array:RDF::Query::Node::Variable
- q
- !!perl/array:RDF::Query::Node::Blank
- BLANK
- a
- &1
- !!perl/array:RDF::Query::Node::Variable
- p
- !!perl/array:RDF::Query::Node::Variable
- v
- !!perl/array:RDF::Query::Node::Variable
- q
variables:
- !!perl/array:RDF::Query::Node::Variable
- p
- !!perl/array:RDF::Query::Node::Variable
- v
- !!perl/array:RDF::Query::Node::Variable
- q
---
- (DAWG) syntax-form-describe01.rq
- |
DESCRIBE <u>
- method: DESCRIBE
namespaces: {}
sources: []
triples: []
variables:
- !!perl/array:RDF::Query::Node::Resource
- URI
- u
---
- (DAWG) syntax-form-construct04.rq
- |
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
CONSTRUCT { [] rdf:subject ?s ;
rdf:predicate ?p ;
rdf:object ?o . }
WHERE {?s ?p ?o}
- method: CONSTRUCT
namespaces:
rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Construct
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- s
- !!perl/array:RDF::Query::Node::Variable
- p
- !!perl/array:RDF::Query::Node::Variable
- o
-
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Blank
- BLANK
- a1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#subject
- !!perl/array:RDF::Query::Node::Variable
- s
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate
- !!perl/array:RDF::Query::Node::Variable
- p
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#object
- !!perl/array:RDF::Query::Node::Variable
- o
---
- (DAWG) syntax-lists-02.rq
- |
PREFIX : <http://example.org/ns#>
SELECT * WHERE { ?x :p ( ?z ) }
- method: SELECT
namespaces:
__DEFAULT__: http://example.org/ns#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Blank
- BLANK
- a1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#first
- !!perl/array:RDF::Query::Node::Variable
- z
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#rest
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#nil
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- x
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/ns#p
- *1
- &2
- !!perl/array:RDF::Query::Node::Variable
- z
- !!perl/array:RDF::Query::Node::Variable
- x
variables:
- !!perl/array:RDF::Query::Node::Variable
- z
- !!perl/array:RDF::Query::Node::Variable
- x
---
- (DAWG) syntax-qname-03.rq
- |
PREFIX : <http://example.org/ns#>
SELECT *
WHERE { :_1 :p.rdf :z.z . }
- method: SELECT
namespaces:
__DEFAULT__: http://example.org/ns#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/ns#_1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/ns#p.rdf
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/ns#z.z
- &1 []
variables: []
---
- (DAWG) syntax-qname-08.rq
- |
BASE <http://example.org/>
PREFIX : <#>
PREFIX x.y: <x#>
SELECT *
WHERE { :a.b x.y: : . }
- method: SELECT
namespaces:
__DEFAULT__: http://example.org/#
x.y: http://example.org/x#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/#a.b
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/x#
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/#
- &1 []
base: !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/
variables: []
---
- (DAWG) syntax-lit-07.rq
- |
BASE <http://example.org/>
PREFIX : <#>
SELECT * WHERE { :x :p 123 }
- method: SELECT
namespaces:
__DEFAULT__: http://example.org/#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/#x
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/#p
- !!perl/array:RDF::Query::Node::Literal
- 123
- ~
- http://www.w3.org/2001/XMLSchema#integer
- &1 []
base: !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/
variables: []
---
- (DAWG) syntax-lit-08.rq
- |
BASE <http://example.org/>
PREFIX : <#>
SELECT * WHERE { :x :p 123. . }
- method: SELECT
namespaces:
__DEFAULT__: http://example.org/#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/#x
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/#p
- !!perl/array:RDF::Query::Node::Literal
- 123.
- ~
- http://www.w3.org/2001/XMLSchema#decimal
- &1 []
base: !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/
variables: []
---
- (DAWG) syntax-lit-12.rq
- |
BASE <http://example.org/>
PREFIX : <#>
SELECT * WHERE { :x :p '''Long''\'Literal''' }
- method: SELECT
namespaces:
__DEFAULT__: http://example.org/#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/#x
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/#p
- !!perl/array:RDF::Query::Node::Literal
- Long'''Literal
- &1 []
base: !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/
variables: []
---
- (DAWG) syntax-lit-13.rq
- |
BASE <http://example.org/>
PREFIX : <#>
SELECT * WHERE { :x :p """Long\"""Literal""" }
- method: SELECT
namespaces:
__DEFAULT__: http://example.org/#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/#x
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/#p
- !!perl/array:RDF::Query::Node::Literal
- Long"""Literal
- &1 []
base: !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/
variables: []
---
- (DAWG) syntax-general-07.rq
- |
SELECT * WHERE { <a><b>+1.0 }
- method: SELECT
namespaces: {}
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Resource
- URI
- a
- !!perl/array:RDF::Query::Node::Resource
- URI
- b
- !!perl/array:RDF::Query::Node::Literal
- +1.0
- ~
- http://www.w3.org/2001/XMLSchema#decimal
- &1 []
variables: []
---
- (DAWG) syntax-general-09.rq
- |
SELECT * WHERE { <a><b>1.0e0 }
- method: SELECT
namespaces: {}
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Resource
- URI
- a
- !!perl/array:RDF::Query::Node::Resource
- URI
- b
- !!perl/array:RDF::Query::Node::Literal
- 1.0e0
- ~
- http://www.w3.org/2001/XMLSchema#double
- &1 []
variables: []
---
- (DAWG) syntax-general-10.rq
- |
SELECT * WHERE { <a><b>+1.0e+1 }
- method: SELECT
namespaces: {}
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Resource
- URI
- a
- !!perl/array:RDF::Query::Node::Resource
- URI
- b
- !!perl/array:RDF::Query::Node::Literal
- +1.0e+1
- ~
- http://www.w3.org/2001/XMLSchema#double
- &1 []
variables: []
---
- (DAWG) syntax-lists-03.rq
- |
PREFIX : <http://example.org/>
SELECT * WHERE { (
) :p 1 }
- method: SELECT
namespaces:
__DEFAULT__: http://example.org/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#nil
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/p
- !!perl/array:RDF::Query::Node::Literal
- 1
- ~
- http://www.w3.org/2001/XMLSchema#integer
- &1 []
variables: []
---
- (DAWG) syntax-lists-04.rq
- |
PREFIX : <http://example.org/>
SELECT * WHERE { ( 1 2
) :p 1 }
- method: SELECT
namespaces:
__DEFAULT__: http://example.org/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Blank
- BLANK
- a1
- &2 !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#first
- !!perl/array:RDF::Query::Node::Literal
- 1
- ~
- http://www.w3.org/2001/XMLSchema#integer
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- &3 !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#rest
- &4 !!perl/array:RDF::Query::Node::Blank
- BLANK
- a2
- !!perl/array:RDF::Query::Algebra::Triple
- *4
- *2
- !!perl/array:RDF::Query::Node::Literal
- 2
- ~
- http://www.w3.org/2001/XMLSchema#integer
- !!perl/array:RDF::Query::Algebra::Triple
- *4
- *3
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#nil
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/p
- !!perl/array:RDF::Query::Node::Literal
- 1
- ~
- http://www.w3.org/2001/XMLSchema#integer
- &5 []
variables: []
---
- (DAWG) syntax-lists-02.rq
- |
PREFIX : <http://example.org/>
SELECT * WHERE { ( ) :p 1 }
- method: SELECT
namespaces:
__DEFAULT__: http://example.org/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#nil
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/p
- !!perl/array:RDF::Query::Node::Literal
- 1
- ~
- http://www.w3.org/2001/XMLSchema#integer
- &1 []
variables: []
---
- (DAWG) syntax-lists-04.rq
- |
PREFIX : <http://example.org/>
SELECT * WHERE { ( 1 2
) :p 1 }
- method: SELECT
namespaces:
__DEFAULT__: http://example.org/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Blank
- BLANK
- a1
- &2 !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#first
- !!perl/array:RDF::Query::Node::Literal
- 1
- ~
- http://www.w3.org/2001/XMLSchema#integer
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- &3 !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#rest
- &4 !!perl/array:RDF::Query::Node::Blank
- BLANK
- a2
- !!perl/array:RDF::Query::Algebra::Triple
- *4
- *2
- !!perl/array:RDF::Query::Node::Literal
- 2
- ~
- http://www.w3.org/2001/XMLSchema#integer
- !!perl/array:RDF::Query::Algebra::Triple
- *4
- *3
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#nil
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/p
- !!perl/array:RDF::Query::Node::Literal
- 1
- ~
- http://www.w3.org/2001/XMLSchema#integer
- &5 []
variables: []
---
- (DAWG) dawg-eval
- |
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX ex: <http://example.com/#>
SELECT ?val
WHERE {
ex:foo rdf:value ?val .
FILTER regex(str(?val), "example\\.com")
}
- method: SELECT
namespaces:
rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#
ex: http://example.com/#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Filter
- FILTER
- !!perl/array:RDF::Query::Expression::Function
- !!perl/array:RDF::Query::Node::Resource
- URI
- sparql:regex
- !!perl/array:RDF::Query::Expression::Function
- !!perl/array:RDF::Query::Node::Resource
- URI
- sparql:str
- !!perl/array:RDF::Query::Node::Variable
- val
- !!perl/array:RDF::Query::Node::Literal
- example\.com
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.com/#foo
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#value
- !!perl/array:RDF::Query::Node::Variable
- val
- &1
- !!perl/array:RDF::Query::Node::Variable
- val
variables: *1
---
- (DAWG) dawg-eval: sameTerm
- |
PREFIX : <http://example.org/things#>
SELECT * {
?x1 :p ?v1 .
?x2 :p ?v2 .
FILTER ( !sameTerm(?v1, ?v2) && ?v1 = ?v2 )
}
- method: SELECT
namespaces:
__DEFAULT__: http://example.org/things#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Filter
- FILTER
- !!perl/array:RDF::Query::Expression::Function
- !!perl/array:RDF::Query::Node::Resource
- URI
- sparql:logical-and
- !!perl/array:RDF::Query::Expression::Unary
- '!'
- !!perl/array:RDF::Query::Expression::Function
- !!perl/array:RDF::Query::Node::Resource
- URI
- sparql:sameterm
- !!perl/array:RDF::Query::Node::Variable
- v1
- !!perl/array:RDF::Query::Node::Variable
- v2
- !!perl/array:RDF::Query::Expression::Binary
- ==
- !!perl/array:RDF::Query::Node::Variable
- v1
- !!perl/array:RDF::Query::Node::Variable
- v2
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- x1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/things#p
- !!perl/array:RDF::Query::Node::Variable
- v1
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- x2
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/things#p
- !!perl/array:RDF::Query::Node::Variable
- v2
- &1
- !!perl/array:RDF::Query::Node::Variable
- x1
- !!perl/array:RDF::Query::Node::Variable
- v1
- !!perl/array:RDF::Query::Node::Variable
- x2
- !!perl/array:RDF::Query::Node::Variable
- v2
variables: *1
---
- (DAWG) dawg-eval: basic/manifest#term-8
- |
PREFIX : <http://example.org/ns#>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
# DOT is part of the decimal.
SELECT * { :x ?p +5 }
- method: SELECT
namespaces:
__DEFAULT__: http://example.org/ns#
xsd: http://www.w3.org/2001/XMLSchema#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/ns#x
- !!perl/array:RDF::Query::Node::Variable
- p
- !!perl/array:RDF::Query::Node::Literal
- +5
- ~
- http://www.w3.org/2001/XMLSchema#integer
- &1
- !!perl/array:RDF::Query::Node::Variable
- p
variables:
- !!perl/array:RDF::Query::Node::Variable
- p
---
- (DAWG) dawg-eval: algebra/manifest#filter-nested-2
- |
PREFIX : <http://example/>
SELECT ?v { :x :p ?v . { FILTER(?v = 1) } }
- method: SELECT
namespaces:
__DEFAULT__: http://example/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example/x
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example/p
- !!perl/array:RDF::Query::Node::Variable
- v
- !!perl/array:RDF::Query::Algebra::Filter
- FILTER
- !!perl/array:RDF::Query::Expression::Binary
- ==
- !!perl/array:RDF::Query::Node::Variable
- v
- !!perl/array:RDF::Query::Node::Literal
- 1
- ~
- http://www.w3.org/2001/XMLSchema#integer
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern []
- &1
- !!perl/array:RDF::Query::Node::Variable
- v
variables: *1
---
- (DAWG) dawg-eval: optional/manifest#dawg-optional-complex-4
- |
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX ex: <http://example.org/things#>
SELECT ?name ?plan ?dept ?img
FROM <...>
FROM NAMED <...>
WHERE {
?person foaf:name ?name
{ ?person ex:healthplan ?plan } UNION { ?person ex:department ?dept }
OPTIONAL {
?person a foaf:Person
GRAPH ?g {
[] foaf:name ?name;
foaf:depiction ?img
}
}
}
- method: SELECT
namespaces:
ex: http://example.org/things#
foaf: http://xmlns.com/foaf/0.1/
sources:
-
- !!perl/array:RDF::Query::Node::Resource
- URI
- ...
-
- !!perl/array:RDF::Query::Node::Resource
- URI
- ...
- NAMED
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::Optional
- OPTIONAL
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Variable
- name
- !!perl/array:RDF::Query::Algebra::Union
- UNION
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/things#healthplan
- !!perl/array:RDF::Query::Node::Variable
- plan
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/things#department
- !!perl/array:RDF::Query::Node::Variable
- dept
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- person
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/1999/02/22-rdf-syntax-ns#type
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/Person
- !!perl/array:RDF::Query::Algebra::NamedGraph
- GRAPH
- &1 !!perl/array:RDF::Query::Node::Variable
- g
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Quad
- &2 !!perl/array:RDF::Query::Node::Blank
- BLANK
- a1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Variable
- name
- *1
- !!perl/array:RDF::Query::Algebra::Quad
- *2
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/depiction
- !!perl/array:RDF::Query::Node::Variable
- img
- *1
- &3
- !!perl/array:RDF::Query::Node::Variable
- name
- !!perl/array:RDF::Query::Node::Variable
- plan
- !!perl/array:RDF::Query::Node::Variable
- dept
- !!perl/array:RDF::Query::Node::Variable
- img
variables: *3
---
- (DAWG) dawg-eval: i18n/manifest#kanji-1
- |
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX 食: <http://www.w3.org/2001/sw/DataAccess/tests/data/i18n/kanji.ttl#>
SELECT ?name ?food WHERE {
[ foaf:name ?name ;
食:食べる ?food ] . }
- method: SELECT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
食: http://www.w3.org/2001/sw/DataAccess/tests/data/i18n/kanji.ttl#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- &1 !!perl/array:RDF::Query::Node::Blank
- BLANK
- a1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://xmlns.com/foaf/0.1/name
- !!perl/array:RDF::Query::Node::Variable
- name
- !!perl/array:RDF::Query::Algebra::Triple
- *1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://www.w3.org/2001/sw/DataAccess/tests/data/i18n/kanji.ttl#食べる
- !!perl/array:RDF::Query::Node::Variable
- food
- &2
- !!perl/array:RDF::Query::Node::Variable
- name
- !!perl/array:RDF::Query::Node::Variable
- food
variables: *2
---
- (DAWG) dawg-syntax: syntax-sparql4/manifest#syn-10
- |
PREFIX : <http://example.org/>
SELECT *
WHERE
{
{ _:a ?p ?v . _:a ?q _:a } UNION { _:b ?q _:c }
}
- method: SELECT
namespaces:
__DEFAULT__: http://example.org/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::Union
- UNION
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Blank
- BLANK
- a
- !!perl/array:RDF::Query::Node::Variable
- p
- !!perl/array:RDF::Query::Node::Variable
- v
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Blank
- BLANK
- a
- !!perl/array:RDF::Query::Node::Variable
- q
- !!perl/array:RDF::Query::Node::Blank
- BLANK
- a
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Blank
- BLANK
- b
- !!perl/array:RDF::Query::Node::Variable
- q
- !!perl/array:RDF::Query::Node::Blank
- BLANK
- c
- &1
- !!perl/array:RDF::Query::Node::Variable
- p
- !!perl/array:RDF::Query::Node::Variable
- v
- !!perl/array:RDF::Query::Node::Variable
- q
variables:
- !!perl/array:RDF::Query::Node::Variable
- p
- !!perl/array:RDF::Query::Node::Variable
- v
- !!perl/array:RDF::Query::Node::Variable
- q
---
- (DAWG) dawg-syntax: syntax-sparql1/manifest#syntax-pat-04
- |
PREFIX : <http://example.org/ns#>
SELECT *
{
OPTIONAL{:x :y :z}
?a :b :c
{ :x1 :y1 :z1 } UNION { :x2 :y2 :z2 }
}
- method: SELECT
namespaces:
__DEFAULT__: http://example.org/ns#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::Optional
- OPTIONAL
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern []
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/ns#x
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/ns#y
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/ns#z
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- a
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/ns#b
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/ns#c
- !!perl/array:RDF::Query::Algebra::Union
- UNION
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/ns#x1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/ns#y1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/ns#z1
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/ns#x2
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/ns#y2
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/ns#z2
- &1
- !!perl/array:RDF::Query::Node::Variable
- a
variables:
- !!perl/array:RDF::Query::Node::Variable
- a
---
- (DAWG) dawg-syntax: syntax-sparql1/manifest#syntax-struct-10
- |
PREFIX : <http://example.org/ns#>
SELECT *
{ OPTIONAL { :a :b :c } . ?x ?y ?z }
- method: SELECT
namespaces:
__DEFAULT__: http://example.org/ns#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::Optional
- OPTIONAL
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern []
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/ns#a
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/ns#b
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/ns#c
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- x
- !!perl/array:RDF::Query::Node::Variable
- y
- !!perl/array:RDF::Query::Node::Variable
- z
- &1
- !!perl/array:RDF::Query::Node::Variable
- x
- !!perl/array:RDF::Query::Node::Variable
- y
- !!perl/array:RDF::Query::Node::Variable
- z
variables: *1
---
- (DAWG) dawg-syntax: expr-equals/manifest#eq-2-1
- |
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
PREFIX : <http://example.org/things#>
SELECT ?v1 ?v2
WHERE
{ ?x1 :p ?v1 .
?x2 :p ?v2 .
FILTER ( ?v1 = ?v2 ) .
}
- method: SELECT
namespaces:
__DEFAULT__: http://example.org/things#
xsd: http://www.w3.org/2001/XMLSchema#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Filter
- FILTER
- !!perl/array:RDF::Query::Expression::Binary
- ==
- !!perl/array:RDF::Query::Node::Variable
- v1
- !!perl/array:RDF::Query::Node::Variable
- v2
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- x1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/things#p
- !!perl/array:RDF::Query::Node::Variable
- v1
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- x2
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/things#p
- !!perl/array:RDF::Query::Node::Variable
- v2
- &1
- !!perl/array:RDF::Query::Node::Variable
- v1
- !!perl/array:RDF::Query::Node::Variable
- v2
variables: *1
---
- (DAWG) dawg-syntax: expr-ops/manifest#minus-1
- |
PREFIX : <http://example.org/>
SELECT ?s WHERE {
?s :p ?o .
?s2 :p ?o2 .
FILTER(?o - ?o2 = 3) .
}
- method: SELECT
namespaces:
__DEFAULT__: http://example.org/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Filter
- FILTER
- !!perl/array:RDF::Query::Expression::Binary
- ==
- !!perl/array:RDF::Query::Expression::Binary
- -
- !!perl/array:RDF::Query::Node::Variable
- o
- !!perl/array:RDF::Query::Node::Variable
- o2
- !!perl/array:RDF::Query::Node::Literal
- 3
- ~
- http://www.w3.org/2001/XMLSchema#integer
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- s
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/p
- !!perl/array:RDF::Query::Node::Variable
- o
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- s2
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/p
- !!perl/array:RDF::Query::Node::Variable
- o2
- &1
- !!perl/array:RDF::Query::Node::Variable
- s
variables: *1
---
- (DAWG) dawg-syntax: syntax-qname-04.rq
- |
PREFIX : <http://example.org/ns#>
PREFIX a: <http://example.org/ns2#>
SELECT *
WHERE { : a: :a . : : : . }
- method: SELECT
namespaces:
__DEFAULT__: http://example.org/ns#
a: http://example.org/ns2#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/ns#
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/ns2#
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/ns#a
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/ns#
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/ns#
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/ns#
- &1 []
variables: *1
---
- (DAWG) dawg-syntax: syntax-union-02.rq
- |
PREFIX : <http://example.org/ns#>
SELECT *
{
{ ?s ?p ?o } UNION { ?a ?b ?c } UNION { ?r ?s ?t }
}
- method: SELECT
namespaces:
__DEFAULT__: http://example.org/ns#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::Union
- UNION
- !!perl/array:RDF::Query::Algebra::Union
- UNION
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- s
- !!perl/array:RDF::Query::Node::Variable
- p
- !!perl/array:RDF::Query::Node::Variable
- o
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- a
- !!perl/array:RDF::Query::Node::Variable
- b
- !!perl/array:RDF::Query::Node::Variable
- c
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- r
- !!perl/array:RDF::Query::Node::Variable
- s
- !!perl/array:RDF::Query::Node::Variable
- t
- &1
- !!perl/array:RDF::Query::Node::Variable
- s
- !!perl/array:RDF::Query::Node::Variable
- p
- !!perl/array:RDF::Query::Node::Variable
- o
- !!perl/array:RDF::Query::Node::Variable
- a
- !!perl/array:RDF::Query::Node::Variable
- b
- !!perl/array:RDF::Query::Node::Variable
- c
- !!perl/array:RDF::Query::Node::Variable
- r
- !!perl/array:RDF::Query::Node::Variable
- t
variables: *1
---
- (DAWG) dawg-syntax: syntax-order-06.rq
- |
PREFIX : <http://example.org/ns#>
SELECT *
{ ?s ?p ?o }
ORDER BY
DESC(?o+57) :func2(?o) ASC(?s)
- method: SELECT
namespaces:
__DEFAULT__: http://example.org/ns#
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::Sort
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- s
- !!perl/array:RDF::Query::Node::Variable
- p
- !!perl/array:RDF::Query::Node::Variable
- o
-
- DESC
- !!perl/array:RDF::Query::Expression::Binary
- +
- !!perl/array:RDF::Query::Node::Variable
- o
- !!perl/array:RDF::Query::Node::Literal
- 57
- ~
- http://www.w3.org/2001/XMLSchema#integer
-
- ASC
- !!perl/array:RDF::Query::Expression::Function
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/ns#func2
- !!perl/array:RDF::Query::Node::Variable
- o
-
- ASC
- !!perl/array:RDF::Query::Node::Variable
- s
- &1
- !!perl/array:RDF::Query::Node::Variable
- s
- !!perl/array:RDF::Query::Node::Variable
- p
- !!perl/array:RDF::Query::Node::Variable
- o
variables: *1
---
- (DAWG) dawg-syntax: syntax-bnode-02.rq
- |
PREFIX : <http://example.org/>
# Tab
SELECT * WHERE { [ ] :p [
] }
- method: SELECT
namespaces:
__DEFAULT__: http://example.org/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Blank
- BLANK
- a1
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example.org/p
- !!perl/array:RDF::Query::Node::Blank
- BLANK
- a2
- &1 []
variables: []
---
- (DAWG) dawg-syntax: syntax-esc-04.rq
- |
PREFIX : <http://example/>
SELECT *
WHERE { <\u0078> :\u0070 ?xx\u0078 }
- method: SELECT
namespaces:
__DEFAULT__: http://example/
sources: []
triples:
- !!perl/array:RDF::Query::Algebra::Project
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Resource
- URI
- x
- !!perl/array:RDF::Query::Node::Resource
- URI
- http://example/p
- !!perl/array:RDF::Query::Node::Variable
- xxx
- &1
- !!perl/array:RDF::Query::Node::Variable
- xxx
variables: *1
---
- CONSTRUCT with LIMIT (github pull request 17, from kjetilk)
- |
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
CONSTRUCT { ?s ?p ?o . }
WHERE {
?s ?p ?o .
} LIMIT 5
- method: CONSTRUCT
namespaces:
foaf: http://xmlns.com/foaf/0.1/
rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#
sources: []
options:
limit: 5
triples:
- !!perl/array:RDF::Query::Algebra::Construct
- !!perl/array:RDF::Query::Algebra::GroupGraphPattern
- !!perl/array:RDF::Query::Algebra::BasicGraphPattern
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- s
- !!perl/array:RDF::Query::Node::Variable
- p
- !!perl/array:RDF::Query::Node::Variable
- o
-
- !!perl/array:RDF::Query::Algebra::Triple
- !!perl/array:RDF::Query::Node::Variable
- s
- !!perl/array:RDF::Query::Node::Variable
- p
- !!perl/array:RDF::Query::Node::Variable
- o