W3C home > Mailing lists > Public > w3c-rdfcore-wg@w3.org > September 2002

datatype property in the statement object pair

From: Jos De_Roo <jos.deroo.jd@belgium.agfa.com>
Date: Fri, 27 Sep 2002 13:53:51 +0200
To: "w3c-rdfcore-wg" <w3c-rdfcore-wg@w3.org>
Message-ID: <OF367EA37F.C56DE1A5-ONC1256C41.003F34F9-C1256C41.00415AD2@agfa.be>

there's actually a simple way to make desirable non entailments

if, for datatype property #bar we interpret
  <rdf:Description about="#foo">

  <#foo> <#bar> (<#bar> "abc")

that would not affect current RDF applications
and would be no problem for generic RDF engines
(and they would then make no entailments
for that film title testcase that we all know)

it would also allow nice datatype inferencing as
e.g. <#bar> rdfs:range xsd:duration could
make things sharper

my main belief in literals denoting themselves
is that that it is sound i.e. out of somthing that
holds one can never derive something that
doesn't hold, but it is indeed incomplete i.e.
something that holds is not necessarily derivable
although canonical lexical forms could make it
less incomplete, to work in that way

-- ,
Jos De Roo, AGFA http://www.agfa.com/w3c/jdroo/

PS I would really like to play the *ball*
Received on Friday, 27 September 2002 07:54:34 UTC

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