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Re: unifying S-A and S-B

From: <jos.deroo.jd@belgium.agfa.com>
Date: Tue, 11 Dec 2001 22:30:30 +0100
To: melnik@db.stanford.edu
Cc: w3c-rdfcore-wg@w3.org
Message-Id: <OF26DDFC8A.7FEF9AC0-ONC1256B1F.0074DF6D@bayer-ag.com>

> > Sergey's S-A and S-B are indeed very interesting
> > e.g.
> >   :Karel :age "13" .                        # S-B
> > and
> >   :Karel :ageInYears [ xsd:decimal "13" ] . # S-A
> > are like 2 paths between :Karel and "13"
> > and I think one can cope easily with that via
> >   :age ont:samePropertyAs ( :ageInYears xsd:decimal ) .
> > and all of this is just N-Triples.
> >
> > The rules for ont:samePropertyAs are generic and allow
> > us to entail the same stuff from different descriptions.
>
> Does ont:samePropertyAs in DAML ONT allow path expressions like
> the one you suggested above?

I would think (and hope) so, but I'm still trying
to get at WebOnt speed...
I first thought to use eg:chainOf, but then I
thought that ont:samePropertyAs would be better...
At least the ( ) thing is a DAML list (also with
a similar chain of bnodes).
The whole idea is pure "declarative".

--
Jos
Received on Tuesday, 11 December 2001 16:31:04 EST

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