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Re: FAQ on Rules and ontologies

From: Ivan Herman <ivan@w3.org>
Date: Sun, 13 May 2007 16:39:02 +0200
Message-ID: <46472306.6040705@w3.org>
To: Sandro Hawke <sandro@w3.org>
Cc: Yue Pan <panyue@cn.ibm.com>, W3C SWEO IG <public-sweo-ig@w3.org>
Thanks Sandro for the quick reply! Yue, your question is not only
pertinent, but one of the hard questions that comes up all the times in
the rules related discussion...

I have added to my internal draft.


Sandro Hawke wrote:
>> Since a piece of RDF description may be posed extra constraints with
>> both an ontology and a rule system, an related issue is the semantic
>> interoperability between the ontology language and the rule language:
>> can a rule engine call an ontology engine when it encounters terms
>> defined in an ontology or vice versa?   
>> I don't have complete answer to the question. We may say there is hybrid
>> reasoning engines like CARIN that combine ontologies and rules. What
>> about the standardization effort? 
> How about this:
>   Q.  How do I know when to use OWL and when to RIF?  How can I use them
>       both together?
>   A.  RIF is not yet a W3C Recommendation (or even a Candidate
>       Recommendation), so for now it should only be used on an
>       experimental basis.  As it proceeds to Recommendation status,
>       however, it will be accompanied by an answer to this question,
>       which the RIF Working Group is chartered to produce. [1]
> [1] http://www.w3.org/2005/rules/wg/charter#owl_compat
> We could also try to explain the state of the art, but it seems to me
> that we might as well wait until the RIF WG gives an answer.
>      -- Sandro (RIF WG staff contact; editor of the charter)


Ivan Herman, W3C Semantic Web Activity Lead
URL: http://www.w3.org/People/Ivan/
PGP Key: http://www.cwi.nl/%7Eivan/AboutMe/pgpkey.html
FOAF: http://www.ivan-herman.net/foaf.rdf

Received on Sunday, 13 May 2007 14:39:07 UTC

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