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RE: Reification - whats best practice?

From: Karsten Otto <otto@math.fu-berlin.de>
Date: Thu, 26 Aug 2004 15:56:31 +0200 (CEST)
To: Patrick.Stickler@nokia.com
cc: Eric.Jain@isb-sib.ch, dave.beckett@bristol.ac.uk, www-rdf-interest@w3.org
Message-ID: <Pine.LNX.4.61.0408261553030.24421@hobbes.mi.fu-berlin.de>

On Thu, 26 Aug 2004 Patrick.Stickler@nokia.com wrote:

>>> Quads are also a bad standard since they
>>> mean different things to different people; i.e. not a standard.
>> That's precisely why they need to be standardized, to ensure
>> that they
>> mean the same things to different people :-)
> +1
> And my recommendation would be that the fourth component of
> a quad would be a graph name (which also would be optional).
> Named graphs are a generic extension which can be very strongly
> grounded in the RDF MT (since most of what you need is already
> there), and provide for all of the other use cases employing
> quads; and simply by defining the appropriate vocabularies.
> In a sense, it's fair to argue that named graphs are not an
> extension at all, since as resources, their definition is
> central to the RDF MT, and any resource can be denoted by
> URI, so if you're going to have quads rather than triples,
> named graphs are the option which "extend" RDF the least.

... and you can even get them quite easily into RDF/XML, simply by
allowing rdf:about/rdf:ID/rdf:nodeID on the <rdf:RDF> wrapper.
Although there are some good arguments for a completetly different
serialization syntax such as TriX...

Received on Thursday, 26 August 2004 13:56:37 UTC

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