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Re: OWL-S process preconditions

From: Gerhard Wickler <Gerhard.Wickler@informatik.uni-stuttgart.de>
Date: Tue, 22 Jun 2004 14:41:03 +0200
Message-ID: <40D828DF.4060503@informatik.uni-stuttgart.de>
To: Jacek Kopecky <jacek.kopecky@deri.at>
Cc: public-sws-ig@w3.org

Good point. I agree that having RDF/XML as the content language (using 
reification) looks like a good idea, especially because it answers my 
semantics question, but I suspect two major problems here:

1. RDF/XML has no notion of variables in triples. Of course, this could 
be fixed somehow, but some of the cleanlyness of this appraoch would be 
lost along the way.

2. RDF/XML *essentially* allows for conjunctions of (positive ground) 
triples, which does not provide for much expressiveness.


Jacek Kopecky wrote:

>Hi all, I've only been lurking here, but on this point I have a newbie
>question: wouldn't reification be a better tool than reparsing of
>literals? The amount of work for the implementations would be the same
>but it would seem to me to be much cleaner from the data modeling point
>of view - for instance when serialized as n-triples, the literal
>approach would keep XML syntax intermixed with the n-triples, whereas
>reification would have everything as n-triples.
>Best regards,
>                   Jacek Kopecky
>                   Ph.D. student researcher
>                   Digital Enterprise Research Institute
>                   http://www.deri.org/
Received on Tuesday, 22 June 2004 08:40:31 UTC

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