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.\"
.IX Title "RDF::TriN3 3pm"
.TH RDF::TriN3 3pm "2021-01-05" "perl v5.32.0" "User Contributed Perl Documentation"
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.SH "NAME"
RDF::TriN3 \- notation 3 extensions for RDF::Trine
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This module extends RDF::Trine in three ways:
.IP "\(bu" 4
Adds a Notation 3 parser.
.IP "\(bu" 4
Adds a Notation 3 serializer.
.IP "\(bu" 4
Provides a subclass of literals to represent Notation 3 formulae.
.PP
In addition, a parser is provided for Notation 3 extended with ShorthandRDF
notation \- <http://esw.w3.org/ShorthandRDF>.
.SH "BUGS AND LIMITATIONS"
.IX Header "BUGS AND LIMITATIONS"
Implementing N3 logic and the cwm built-ins is considered outside the scope
of this distribution, though I am interested in doing that as part of a
separate project.
.PP
RDF::TriN3 currently relies entirely on RDF::Trine to provide implementations
of the concept of graphs, and storage. Thus any graphs that can't be
represented using RDF::Trine can't be represented in RDF::TriN3. RDF::Trine's
graph model is a superset of \s-1RDF,\s0 but a subset of Notation 3's model. While
this allows literal subjects, and literal and blank node predicates, these
may not be supported by all storage engines; additionally top-level variables
(?foo), and top-level \f(CW@forSome\fR and \f(CW@forAll\fR (i.e. not nested inside a formula)
might cause problems.
.PP
RDF::Trine::Store::DBI has some issues with literal subjects, and literal and
blank node predicates, allowing them to be stored, but not retrieved. From
version 0.128, RDF::Trine::Store::DBI offers a \f(CW\*(C`clear_restrictions\*(C'\fR method
that should resolve these issues. RDF::Trine::Store::Memory is fine. Other
stores are not tested.
.PP
Please report any bugs to <http://rt.cpan.org/>.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
RDF::Trine::Node::Formula,
RDF::Trine::Parser::Notation3,
RDF::Trine::Serializer::Notation3.
.PP
RDF::Trine::Parser::ShorthandRDF,
RDF::Trine::Parser::Pretdsl.
.PP
RDF::Trine.
.PP
<http://www.perlrdf.org/>.
.PP
<http://www.w3.org/DesignIssues/Notation3>.
.SH "AUTHOR"
.IX Header "AUTHOR"
Toby Inkster <tobyink@cpan.org>.
.SH "COPYRIGHT AND LICENCE"
.IX Header "COPYRIGHT AND LICENCE"
Copyright 2010\-2012 Toby Inkster
.PP
This library is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
.SH "DISCLAIMER OF WARRANTIES"
.IX Header "DISCLAIMER OF WARRANTIES"
\&\s-1THIS PACKAGE IS PROVIDED \*(L"AS IS\*(R" AND WITHOUT ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.\s0