NAME

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

VERSION

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

Beyond the methods documented below, this class inherits methods from the RDF::Query::Algebra class.

"new ( $s, $p, $o, $g )": Returns a new Quad structure.
"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).
"referenced_blanks": Returns a list of the blank node names used in this algebra expression.
"qualify_uris ( \%namespaces, $base_uri )": Returns a new algebra pattern where all referenced Resource nodes representing QNames (ns:local) are qualified using the supplied %namespaces.
"bf ()": Returns a string representing the state of the nodes of the triple (bound or free).
"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 quad object. If no $value is given, returns the current label value, or undef if none exists.

 Gregory Todd Williams <gwilliams@cpan.org>