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Re: Upcoming wave of quad/namedgraph implementations , was: Reification - whats best practice?

From: Uche Ogbuji <uche.ogbuji@fourthought.com>
Date: Tue, 28 Sep 2004 10:39:57 -0600
To: Chris Bizer <chris@bizer.de>
Cc: www-rdf-interest@w3.org, Andrew Newman <andrew@tucanatech.com>, Richard Cyganiak <richard@cyganiak.de>
Message-Id: <1096369462.4009.2186.camel@borgia>

On Fri, 2004-09-10 at 03:14, Chris Bizer wrote:
> Hi all,
> 
> it really looks like this reification discussion make some people sit down
> and work :-)
> 
> We will see a wave of quad/namedgraph-based implementations being released
> in the next weeks. Up to my knowledge, the following people are currently
> working on implementations:
> 
> 1. We are working on a NamedGraph API extending Jena
> http://www.wiwiss.fu-berlin.de/suhl/bizer/ng4j/
> 2. Andy Seaborne and Rave Reynolds work on a Jena Multimodel
> http://www.swed.org.uk/swed/doc/javadoc/com/hp/hpl/jena/util/MultiModel.html
> 3. Andrew Newman said that Kowari 1.0.5 will somehow support
> quads/namedgraphs (??),
> http://kowari.sourceforge.net/
> 4. Phil Dawes implements a store in python which will support
> quads/namedgraphs
> 5. RDF Gateway already supports quads
> http://www.intellidimension.com/default.rsp?topic=/pages/site/products/rdfgateway.rsp
> 
> Anybody else?


4RDF has supported quads since, like, the beginning of time (at least 3 years, actually).
It's the bedrock for many higher-level facilities we build upon the RDF model.

http://4Suite.org

We call the fourth axis "scopes"

http://uche.ogbuji.net/tech/akara/nodes/2003-01-01/scopes

-- 
Uche Ogbuji                                    Fourthought, Inc.
http://uche.ogbuji.net    http://4Suite.org    http://fourthought.com

A hands-on introduction to ISO Schematron - http://www-106.ibm.com/developerworks/edu/x-dw-xschematron-i.html
Wrestling HTML (using Python) - http://www.xml.com/pub/a/2004/09/08/pyxml.html
XML circles the globe - http://www.javareport.com/article.asp?id=9797
Principles of XML design: Considering container elements - http://www-106.ibm.com/developerworks/xml/library/x-contain.html
Hacking XML Hacks - http://www-106.ibm.com/developerworks/xml/library/x-think26.html
A survey of XML standards - http://www-106.ibm.com/developerworks/xml/library/x-stand4/
Received on Tuesday, 28 September 2004 16:40:30 GMT

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