RDF::Trine::Pattern - Class for basic graph patterns
This document describes RDF::Trine::Pattern version 1.000
new ( @triples )
Returns a new BasicGraphPattern structure.
construct_args
Returns a list of arguments that, passed to this class' constructor, will produce a clone of this algebra pattern.
triples
Returns a list of triples belonging to this BGP.
type
sse
Returns the SSE string for this algebra expression.
referenced_variables
Returns a list of the variable names used in this algebra expression.
definite_variables
Returns a list of the variable names that will be bound after evaluating this algebra expression.
clone
bind_variables ( \%bound )
Returns a new pattern with variables named in %bound replaced by their corresponding bound values.
subsumes ( $statement )
Returns true if the pattern will subsume the $statement when matched against a triple store.
sort_for_join_variables
Returns a new pattern object with the subpatterns of the referrant sorted so that they may be joined in order while avoiding cartesian products (if possible).
Please report any bugs or feature requests to through the GitHub web interface at https://github.com/kasei/perlrdf/issues.
Gregory Todd Williams <gwilliams@cpan.org>
<gwilliams@cpan.org>
Copyright (c) 2006-2012 Gregory Todd Williams. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
To install RDF::Trine, copy and paste the appropriate command in to your terminal.
cpanm
cpanm RDF::Trine
CPAN shell
perl -MCPAN -e shell install RDF::Trine
For more information on module installation, please visit the detailed CPAN module installation guide.