NAME

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

VERSION

This document describes RDF::Query::Algebra::Triple version 2.200, released 6 August 2009.

new ( $s, $p, $o ): Returns a new Triple structure.
as_sparql: Returns the SPARQL string for this alegbra expression.
referenced_blanks: Returns a list of the blank node names used in this algebra expression.
subsumes ( $pattern ): Returns true if the triple subsumes the pattern, false otherwise.
bf (): Returns a string representing the state of the nodes of the triple (bound or free).
fixup ( $query, $bridge, $base, \%namespaces ): Returns a new pattern that is ready for execution using the given bridge. This method replaces generic node objects with bridge-native objects.
distinguish_bnode_variables: Returns a new Quad object with blank nodes replaced by distinguished variables.
label ( $label => $value ): Sets the named $label to $value for this triple object. If no $value is given, returns the current label value, or undef if none exists.

 Gregory Todd Williams <gwilliams@cpan.org>