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RDF::QUERY::ALGEBRA::BASICGRAPHPATTERN(3PM) - Linux man page online | Library functions

Algebra class for BasicGraphPattern patterns.

Chapter
2017-01-04
RDF::Query::Algebra::BasicGraphUsereContributed Perl DRDF::Query::Algebra::BasicGraphPattern(3pm)

NAME

RDF::Query::Algebra::BasicGraphPattern - Algebra class for BasicGraphPattern patterns

VERSION

This document describes RDF::Query::Algebra::BasicGraphPattern version 2.918.

METHODS

Beyond the methods documented below, this class inherits methods from the RDF::Query::Algebra class. "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. "quads" Returns a list of the (implicit) quads belonging to this BGP. "sse" Returns the SSE string for this algebra expression. "explain" Returns a string serialization of the algebra appropriate for display on the command line. "as_sparql" Returns the SPARQL string for this algebra expression. "as_hash" Returns the query as a nested set of plain data structures (no objects). "as_spin ( $model )" Adds statements to the given model to represent this algebra object in the SPARQL Inferencing Notation (<http://www.spinrdf.org/>). "type" Returns the type of this algebra expression. "referenced_variables" Returns a list of the variable names used in this algebra expression. "potentially_bound" Returns a list of the variable names used in this algebra expression that will bind values during execution. "definite_variables" Returns a list of the variable names that will be bound after evaluating this algebra expression. "connected" Returns true if the pattern is connected through shared variables, false otherwise. "subsumes ( $pattern )" Returns true if the bgp subsumes the pattern, false otherwise. "bf ()" Returns a string representing the state of the nodes of the triple (bound or free). "clone" "bind_variables ( \%bound )" Returns a new algebra pattern with variables named in %bound replaced by their corresponding bound values.

AUTHOR

Gregory Todd Williams <@cpan.org>
perl v5.24.1 2017-01-04RDF::Query::Algebra::BasicGraphPattern(3pm)
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