- From: Peter F. Patel-Schneider <pfps@research.bell-labs.com>
- Date: Sat, 07 Jun 2003 17:26:02 -0400 (EDT)
- To: jos.deroo@agfa.com
- Cc: phayes@ai.uwf.edu, w3c-rdfcore-wg@w3.org
From: "Jos De_Roo" <jos.deroo@agfa.com> Subject: incompleteness in RDFS closure rules Date: Sat, 7 Jun 2003 14:52:16 +0200 > Pat, > > What about generalizing rdfs12 to > > {: rdfs:fyi :rdfs12a. ?Q rdfs:domain ?Y. ?P rdfs:domain ?X. > ?P rdfs:subPropertyOf ?Q} => {?X rdfs:subClassOf ?Y}. > > {: rdfs:fyi :rdfs12b. ?Q rdfs:range ?Y. ?P rdfs:range ?X. > ?P rdfs:subPropertyOf ?Q} => {?X rdfs:subClassOf ?Y}. These are not valid rules. > Then the cases that Peter brought up are following > (I've tested that and the other RDFS and OWL are > in status quo, be it with some more steps). peter > > -- > Jos De Roo, AGFA http://www.agfa.com/w3c/jdroo/ > ----- Forwarded by Jos De_Roo/AMDUS/MOR/Agfa-NV/BE/BAYER on 2003-06-07 > 02:36 PM ----- > > "Peter F. > Patel-Schneider" To: www-rdf-comments@w3.org > <pfps@research.bell-l cc: > abs.com> Subject: incompleteness in RDFS closure rules > Sent by: > www-rdf-comments-requ > est@w3.org > > > 2003-06-07 06:17 AM > > > > > > > > > rdfs:subClassOf rdfs:subPropertyOf xxx . > xxx rdfs:domain yyy . > > RDFS-entails > > rdfs:Class rdfs:subClassOf yyy . > > but this does not come out of the RDFS closure rules. > > > > rdfs:subClassOf rdfs:subPropertyOf xxx . > xxx rdfs:range yyy . > > RDFS-entails > > rdfs:Class rdfs:subClassOf yyy . > > but this does not come out of the RDFS closure rules. > > > > rdfs:subPropertyOf rdfs:subPropertyOf xxx . > xxx rdfs:domain yyy . > > RDFS-entails > > rdf:Property rdfs:subClassOf yyy . > > but this does not come out of the RDFS closure rules. > > > > rdfs:subPropertyOf rdfs:subPropertyOf xxx . > xxx rdfs:range yyy . > > RDFS-entails > > rdf:Property rdfs:subClassOf yyy . > > but this does not come out of the RDFS closure rules. > > > >
Received on Saturday, 7 June 2003 17:26:17 UTC