1RDF::Query::Algebra::QuUasde(r3)Contributed Perl DocumenRtDaFt:i:oQnuery::Algebra::Quad(3)
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6 RDF::Query::Algebra::Quad - Algebra class for Quad patterns
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9 This document describes RDF::Query::Algebra::Quad version 2.918.
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12 Beyond the methods documented below, this class inherits methods from
13 the RDF::Query::Algebra class.
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15 "new ( $s, $p, $o, $g )"
16 Returns a new Quad structure.
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18 "as_sparql"
19 Returns the SPARQL string for this algebra expression.
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21 "as_hash"
22 Returns the query as a nested set of plain data structures (no
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25 "referenced_blanks"
26 Returns a list of the blank node names used in this algebra
27 expression.
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29 "qualify_uris ( \%namespaces, $base_uri )"
30 Returns a new algebra pattern where all referenced Resource nodes
31 representing QNames (ns:local) are qualified using the supplied
32 %namespaces.
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34 "bf ()"
35 Returns a string representing the state of the nodes of the triple
36 (bound or free).
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38 "distinguish_bnode_variables"
39 Returns a new Quad object with blank nodes replaced by
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42 "label ( $label => $value )"
43 Sets the named $label to $value for this quad object. If no $value
44 is given, returns the current label value, or undef if none exists.
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47 Gregory Todd Williams <gwilliams@cpan.org>
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51perl v5.36.0 2022-07-22 RDF::Query::Algebra::Quad(3)