RDF::Query::Algebra::Triple(3pm)

NAME

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

VERSION

This document describes RDF::Query::Algebra::Triple version 2.919.

METHODS

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

"new ( $s, $p, $o )"

Returns a new Triple 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).

"as_spin ( $model )"

Adds statements to the given model to represent this algebra object in the SPARQL Inferencing Notation (<http://www.spinrdf.org/>).

"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).

"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.

AUTHOR

 Gregory Todd Williams <[email protected]>