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ANN: NG4J - Named Graphs API for Jena V0.1 released.

From: Chris Bizer <chris@bizer.de>
Date: Tue, 14 Sep 2004 13:47:05 +0200
Message-ID: <00c501c49a50$8f9e1660$0f8d2da0@wrz03295>
To: <www-rdf-interest@w3.org>
Cc: "ext Jeremy Carroll" <jjc@hpl.hp.com>, "Richard Cyganiak" <richard@cyganiak.de>, "Patrick Stickler" <patrick.stickler@nokia.com>

Hi all,

we just released NG4J - Named Graphs API for Jena V0.1

NG4J is an extension to the Jena Semantic Web framework for parsing,
manipulating and serializing sets of Named Graphs.

Version 0.1 extends Jena with:
+ graph-centric methods for manipulating sets of Named Graphs
+ quad-centric methods for manipulating sets of Named Graphs
+ provenance-enabled Jena statements
+ integrated parser for the basic TriX syntax
+ integrated serializer for the basic TriX syntax
+ viewing graphsets as Jena models and Jena graphs
+ directory reader for importing existing RDF files.
+ directory writer for serializing graph sets a classic RDF files.
+ in-memory graphset storage

For version 0.2, we plan to add:
+ a TriG parser
+ a TriG serializer
+ a TriX parser supporting XSLT transformations
+ a TriX serializer supporting XSLT transformations
+ database graphset storage
+ support for the TriQL query language

More information about NG4J is found at
You can download it from http://sourceforge.net/projects/ng4j/

NG4J is an experimental implementation of the new syntaxes (TriX, TriG) and
query language (TriQL) developed within the Semantic Web Interest Group. It
is intended to have something for playing around with the new technologies
and for getting first usage experience. So we are highly interested in
hearing your opinion about it!

Do you think NG4J is able to fulfil the information provenance related
requirements of your projects?
Do your projects need additional functionality?
Is the API design easy to understand?
Are there any additional methods required?

Chris Bizer and
Richard Cyganiak
Received on Tuesday, 14 September 2004 11:46:43 UTC

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