@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix ex: <http://example.org/survey-sample/ontology/> .
@prefix : <http://example.org/survey-sample/> .
@prefix dc: <http://purl.org/dc/elements/1.1/> .
@prefix acm: <http://daml.umbc.edu/ontologies/topic-ont#> .

:person01 a ex:Person ;
	ex:name "John" .
ex:name a rdf:Property ;
	rdfs:domain ex:Person ;
	rdfs:range <http://www.w3.org/2001/XMLSchema#STRING> .
:person02 a ex:Person , ex:Human ;
	ex:name "Bob" .
ex:author a rdf:Property ;
	rdfs:domain ex:Publication ;
	rdfs:range rdf:Seq .
ex:Person a rdfs:Class ;
	rdfs:subClassOf ex:Human .
ex:reified_triple a rdf:Statement ;
	rdf:subject ex:Paper ;
	rdf:predicate ex:isAbout ;
	rdf:object <http://example.org/ACMTopic/Information_Systems/Database_Management/Languages/Query_Languages> ;
	dc:creator :person01.
:person03 ex:email "mary@example.org" ;
	ex:name "Mary" .
ex:year a rdf:Property ;
	rdfs:domain ex:Publication .

:Paper a ex:InProceedings ;
       ex:isAbout <http://example.org/ACMTopic/Information_Systems/Database_Management/Languages/Query_Languages> ;
       ex:year "2004" ;
       ex:pages "08" ;
       ex:title "An Overview of RDF Query Languages" ;
       ex:author [ a rdf:Seq ;
		   rdf:_1 :person01 ; 
		   rdf:_2 :person02 ;
		   rdf:_3 :person03 ;
		   rdf:_4 :person04
		  ] .

ex:email a rdf:Property ;
	rdfs:domain ex:Person ;
	rdfs:range <http://www.w3.org/2001/XMLSchema#STRING> .

<http://example.org/ACMTopic/Information_Systems> a acm:Topic ;
	acm:SubTopic <http://example.org/ACMTopic/Information_Systems/Database_Management> ;
	rdfs:label "Informationsysteme"@de , "Information Systems"@en .

<http://example.org/ACMTopic/Information_Systems/Database_Management/Languages/Query_Languages> a acm:Topic ;
	rdfs:label "Anfragesprachen"@de , "Query Languages"@en .

<http://example.org/ACMTopic/Information_Systems/Database_Management/Languages> acm:SubTopic <http://example.org/ACMTopic/Information_Systems/Database_Management/Languages/Query_Languages> ;
	a acm:Topic ;
	rdfs:label "Sprachen"@de , "Languages"@en .
ex:title a rdf:Property ;
	rdfs:domain ex:Publication ;
	rdfs:range <http://www.w3.org/2001/XMLSchema#STRING> .
ex:InProceedings a rdfs:Class ;
	rdfs:subClassOf ex:Publication .
ex:isAbout a rdf:Property ;
	rdfs:range ex:Topic .

ex:Topic a rdfs:Class .

<http://example.org/ACMTopic/Information_Systems/Database_Management> a acm:Topic ;
	acm:SubTopic <http://example.org/ACMTopic/Information_Systems/Database_Management/Languages> ;
	rdfs:label "Datenbankmanagement"@de , "Database Management"@en .
:person04 a ex:Human ;
	ex:name "Willy" .

ex:Human a rdfs:Class ;
	rdfs:subClassOf ex:Person .

ex:Publication a rdfs:Class .
ex:pages a rdf:Property ;
	rdfs:domain ex:Publication ;
	rdfs:range <http://www.w3.org/2001/XMLSchema#INTEGER> .