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RDF::Core is a pure perl implementation of RDF storage, parser,
serializer and query.
The storage functionality is basic - store, delete, query statements,
where query means ask about existence or count or retrieve statements
conforming given mask of (subject, predicate, object). Three storages
are available - in memory, file (DB_File) and DBMS (PostgreSQL).
The parser supports full RDF/XML syntax including aboutEach attribute
(though it became obsolete).
The serializer attempts to preserve anonymous nodes and to compact xml a
bit grouping statements with common subject.
The query language is rather focused on resources than on statements.
WWW: http://search.cpan.org/dist/RDF-Core/
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