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package RDF::TriN3; |
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use 5.010; |
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use RDF::Trine; |
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use RDF::Trine::Node::Formula; |
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use RDF::Trine::Parser::Notation3; |
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use RDF::Trine::Parser::ShorthandRDF; |
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use RDF::Trine::Serializer::Notation3; |
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our $VERSION = '0.206'; |
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1; |
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__END__ |
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=head1 NAME |
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RDF::TriN3 - notation 3 extensions for RDF::Trine |
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=head1 DESCRIPTION |
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This module extends L<RDF::Trine> in three ways: |
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=over 4 |
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=item * Adds a Notation 3 parser. |
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=item * Adds a Notation 3 serializer. |
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=item * Provides a subclass of literals to represent Notation 3 formulae. |
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=back |
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In addition, a parser is provided for Notation 3 extended with ShorthandRDF |
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notation - L<http://esw.w3.org/ShorthandRDF>. |
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=head1 BUGS AND LIMITATIONS |
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Implementing N3 logic and the cwm built-ins is considered outside the scope |
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of this distribution, though I am interested in doing that as part of a |
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separate project. |
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RDF::TriN3 currently relies entirely on RDF::Trine to provide implementations |
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of the concept of graphs, and storage. Thus any graphs that can't be |
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represented using RDF::Trine can't be represented in RDF::TriN3. RDF::Trine's |
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graph model is a superset of RDF, but a subset of Notation 3's model. While |
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this allows literal subjects, and literal and blank node predicates, these |
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may not be supported by all storage engines; additionally top-level variables |
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(?foo), and top-level @forSome and @forAll (i.e. not nested inside a formula) |
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might cause problems. |
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RDF::Trine::Store::DBI has some issues with literal subjects, and literal and |
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blank node predicates, allowing them to be stored, but not retrieved. From |
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version 0.128, RDF::Trine::Store::DBI offers a C<clear_restrictions> method |
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that should resolve these issues. RDF::Trine::Store::Memory is fine. Other |
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stores are not tested. |
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Please report any bugs to L<http://rt.cpan.org/>. |
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=head1 SEE ALSO |
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L<RDF::Trine::Node::Formula>, |
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L<RDF::Trine::Parser::Notation3>, |
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L<RDF::Trine::Serializer::Notation3>. |
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66
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L<RDF::Trine::Parser::ShorthandRDF>, |
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L<RDF::Trine::Parser::Pretdsl>. |
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L<RDF::Trine>. |
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71
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L<http://www.perlrdf.org/>. |
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L<http://www.w3.org/DesignIssues/Notation3>. |
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=head1 AUTHOR |
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77
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Toby Inkster E<lt>tobyink@cpan.orgE<gt>. |
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=head1 COPYRIGHT AND LICENCE |
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81
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Copyright 2010-2012 Toby Inkster |
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83
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This library is free software; you can redistribute it and/or modify it |
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under the same terms as Perl itself. |
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=head1 DISCLAIMER OF WARRANTIES |
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THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED |
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WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF |
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MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
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=cut |