- From: Jos De_Roo <jos.deroo@agfa.com>
- Date: Wed, 14 May 2003 19:35:46 +0200
- To: "Jim Hendler <hendler" <hendler@cs.umd.edu>
- Cc: Ian Horrocks <horrocks@cs.man.ac.uk>, webont <www-webont-wg@w3.org>, www-webont-wg-request@w3.org
>At 7:04 PM +0200 5/14/03, Jos De_Roo wrote: >>[...] >> >> >>> Note, in OWL full I would do this by simplying using the allDifferent >>> on the classes - maybe that is the solution to suggest to these folks >>> for now, although could mean a lot of scientistific applications >>> would not be using DL... >> >>does >> >>[ a owl:AllDifferent; owl:distinctMembers (:Mammalian :Reptilian ...)]. >> >>mean that the extensions of :Mammalian :Reptilian ... >>are different sets or that they are mutually disjoint? >> >> > >Good point - even that solution wouldn't be good enough -- however it >is worth noting that the folks I talked to DIDN'T ask for >DisjointUnion because the higher concepts are not necessarily the >union of the disjoint sets -- so they really would be happy with some >like > >[ a owl:AllDisjointClasses; owl:distinctMembers (:Mammalian :Reptilian ...)]. tested that here with {: rdfs:fyi :rule7j1. ?L rdf:first ?X; rdf:rest ?M. ?M :item ?Y. ?A a owl:AllDisjoint; owl:distinctMembers ?L} => {?X owl:disjointWith ?Y}. and that seems to work I'm convinced Jim. -- Jos De Roo, AGFA http://www.agfa.com/w3c/jdroo/ PS I have to send in my regrets (again) for tomorrows telecon (will be at a restaurant to celebrate my daughter's 18'th birthday...) I would like to propose Pat as my proxy when it comes to voting
Received on Wednesday, 14 May 2003 13:35:58 UTC