ODO - Ontologies, Databases and, Optimization
use ODO::Parser::XML; use ODO::Graph::Simple;
print "Parsing RDF/XML file: 'some/path/to/data.rdfxml'\n"n
my $statements = ODO::Parser::XML->parse_file('some/path/to/data.rdfxml');
print "Creating in memory graph named: 'http://testuri.org/graphs/#name1'\n"; my $graph = ODO::Graph::Simple->Memory(name=> 'http://testuri.org/graphs/#name1');
print "Adding parsed statements to the graph\n"; $graph->add($statements);
print 'The graph contains ', $graph->size(), " statements\n";
# or $graph->add(@{ $statements }); if you are just adding a couple statements
# and then...
print "Querying for all statements in the graph\n"; my $result_set = $graph->query($ODO::Query::Simple::ALL_STATEMENTS); my $result_statements = $result_set->results();
print "Removing statements found in previous query from the graph\n"; $graph->remove($result_statements);
print "The graph's size should be 0. Its size is: ", $graph->size(), "\n";
ODO is a framework for processing RDF data.
This package contains relatively experimental code and should be treated appropriately.
IBM Corporation
the ODO::Statement manpage, the ODO::Graph manpage, the ODO::Graph::Simple manpage, the ODO::Parser manpage, the ODO::Parser::XML manpage, the ODO::Query::Simple manpage, the ODO::Exception manpage
Copyright (c) 2004-2006 IBM Corporation.
All rights reserved. This program and the accompanying materials are made available under the terms of the Eclipse Public License v1.0 which accompanies this distribution, and is available at http://www.eclipse.org/legal/epl-v10.html
=cut
1;
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