Date: Thu, 02 Nov 2000 05:19:23 +0100 From: "Alberto Reggiori (vaio)" <firstname.lastname@example.org> To: RDF Interest Group <email@example.com> Subject: ANNOUNCEMENT: RDFStore
RDFStore is a set of Perl modules to manage Resource Description Framework (RDF) model databases in a easy and straightforward way. It is a pure Perl implementation of the Draft Java API from the Stanford University DataBase Group by Sergey Melnik  with some additional cool modules to read/write RDF triples directly from the Perl langauge environment.
By using the Perl TIE interface, a generic application script can access RDF triplets using normal key/value hashes; the storage can happen either in-memory data structures or on the local filesystem by using the DB_File.pm or BerkeleyDB.pm modules.
An experimental remote storage service is also provided using a custom DBMS.pm module coupled with a fast and performant TCP/IP deamon. The deamon has been written entirely in the C language and is actually storing the data in Berkeley DB v1.x files; such a software is similar to the rdfbd approach from Guha .
The input RDF files are being parsed and processed by using a streaming SiRPAC like parser completely written in Perl. Such an implementation includes most of the proposed bug fixes and updates as suggested on the W3C RDF-interest-Group mailing list and http://www.w3.org/RDF/Implementations/SiRPAC/SiRPAC-defects.html and http://www.w3.org/2000/03/rdf-tracking/ (but yes most of them are still there :-) A strawman parser for a simplified syntax proposed by Jonathan Borden, Jason Diamond's and Dan Connolly  is also included. By using the Sablotron XSLT engine is then possible to easily tranform XML documents to RDF and query them from the Perl language.
- Modular interface using packages
- Perl-way API to fetch, parse, process, store and query RDF models
- W3C RDF and strawman syntax parsing
- Perl TIE seamless access to RDF triplet databases
- Either DB_File and BerkeleyDB support
- Automatic Vocabulary generation
- Basic RDF Schema support
- Initial TCP/IP remote storage service support
In the next few days I will try to upload it to CPAN.
...and do not blame me too much, this is only version 0.1 ;-)
 http://www.mailbase.ac.uk/lists/rdf-dev/1999-06/0002.html The RADIX proposal by Ron Daniel