RDF::QUERY::FEDERATE - reference manual online
A subclass of RDF::Query for efficient federated query execution.
RDF::Query::Federate(3pm) User Contributed Perl Documentation RDF::Query::Federate(3pm)
NAME RDF::Query::Federate - A subclass of RDF::Query for efficient federated query execution. VERSION This document describes RDF::Query::Federate version 2.916. STATUS This module's API and functionality should be considered deprecated. If you need functionality that this module provides, please get in touch <http://www.perlrdf.org/>. SYNOPSIS my $service = RDF::Query::ServiceDescription->new( $url ); my $query = new RDF::Query::Federate ( $sparql ); $query->add_service( $service ); my $stream = $query->execute(); DESCRIPTION ... METHODS "new ( $query, \%options )" "new ( $query, $base_uri, $languri, $lang )" Returns a new RDF::Query::Federate object for the specified $query. The query language defaults to SPARQLP, but may be set specifically by specifying either $languri or $lang, whose acceptable values are: $lang: 'rdql', 'sparql11', or 'sparql' $languri: 'http://www.w3.org/TR/rdf-sparql-query/', or 'http://jena.hpl.hp.com/2003/07/ ↲ query/RDQL' "add_service ( $service_description )" Adds the service described by $service_description to the query's list of data sources. "services" "algebra_fixup ( $algebra, $bridge, $base_uri, $ns )" Called in the fixup method of ::Algebra classes, returns either an optimized ::Algebra object ready for execution, or undef (in which case it will be prepared for execution by the ::Algebra::* class itself.perl v5.20.2 2015-10-16 RDF::Query::Federate(3pm)