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rdf::trine::graph(3pm) [debian man page]

RDF::Trine::Graph(3pm)					User Contributed Perl Documentation				    RDF::Trine::Graph(3pm)

NAME

       RDF::Trine::Graph - Materialized RDF Graphs for testing isomorphism

VERSION

       This document describes RDF::Trine::Graph version 1.000

SYNOPSIS

	 use RDF::Trine::Graph;
	 my $a = RDF::Trine::Graph->new( $model_a );
	 my $b = RDF::Trine::Graph->new( $model_b );
	 print "graphs are " . ($a->equals( $b ) ? "the same" : "different");

DESCRIPTION

       RDF::Trine::Graph provdes a mechanism for testing graph isomorphism based on graph triples from either a RDF::Trine::Model or a
       RDF::Trine::Iterator.  Isomorphism testing requires materializing all of a graph's triples in memory, and so should be used carefully in
       situations with large graphs.

METHODS

       "new ( $model )"
       "new ( $iterator )"
	   Returns a new graph from the given RDF::Trine::Model or RDF::Trine::Iterator::Graph object.

       "equals ( $graph )"
	   Returns true if the invocant and $graph represent two equal RDF graphs (e.g.  there exists a bijection between the RDF statements of
	   the invocant and $graph).

       "is_subgraph_of ( $graph )"
	   Returns true if the invocant is a subgraph of $graph. (i.e. there exists an injection of RDF statements from the invocant to $graph.)

       "injection_map ( $graph )"
	   If the invocant is a subgraph of $graph, returns a mapping of blank node identifiers from the invocant graph to $graph as a hashref.
	   Otherwise returns false. The solution is not always unique; where there exist multiple solutions, the solution returned is arbitrary.

       "split_blank_statements"
	   Returns two array refs, containing triples with blank nodes and triples without any blank nodes, respectively.

       "get_statements"
	   Returns a RDF::Trine::Iterator::Graph object for the statements in this graph.

       "error"
	   Returns an error string explaining the last failed "equal" call.

BUGS

       Please report any bugs or feature requests to through the GitHub web interface at <https://github.com/kasei/perlrdf/issues>.

AUTHOR

       Gregory Todd Williams  "<gwilliams@cpan.org>"

COPYRIGHT

       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.

perl v5.14.2							    2012-06-29						    RDF::Trine::Graph(3pm)

Check Out this Related Man Page

RDF::Trine::Pattern(3pm)				User Contributed Perl Documentation				  RDF::Trine::Pattern(3pm)

NAME

       RDF::Trine::Pattern - Class for basic graph patterns

VERSION

       This document describes RDF::Trine::Pattern version 1.000

METHODS

       "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).

BUGS

       Please report any bugs or feature requests to through the GitHub web interface at <https://github.com/kasei/perlrdf/issues>.

AUTHOR

       Gregory Todd Williams  "<gwilliams@cpan.org>"

COPYRIGHT

       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.

perl v5.14.2							    2012-06-29						  RDF::Trine::Pattern(3pm)
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