- From: Ian Horrocks <ian.horrocks@comlab.ox.ac.uk>
- Date: Mon, 2 Mar 2009 21:52:05 +0000
- To: Michael Schneider <schneid@fzi.de>
- Cc: Boris Motik <boris.motik@comlab.ox.ac.uk>, Peter Patel-Schneider <pfps@research.bell-labs.com>, OWL Working Group WG <public-owl-wg@w3.org>
Excellent. I incorporated this into the response JC1b. I suppose that we also need to change (at least?) the Mapping to RDF. Ian On 25 Feb 2009, at 04:19, Michael Schneider wrote: > Hi! > > LC Comment 34 (Top Quadrant) on "Property chain inclusion > axioms" [1] (under "Other comments") stated: > > """ > We have some concerns with the use of blank nodes > in the subPropertyOf triple corresponding to a RIA. > [...] > We believe introducing a new property in the RDF mapping > for RIA and avoiding the use of subPropertyOf > is probably a better trade off here. > """ > > At F2F5, the working group has decided [2a] to change the current > RDF encoding of sub property chain axioms to a single triple form, > which avoids the blank node on the left hand side and the use of > "subPropertyOf". The new vocabulary term > "owl:propertyChainAxiom" [2b] has been introduced. > > I have implemented this resolution in the RDF-Based Semantics. See > the diff at [3]. > > Cheers, > Michael > > [1] LC Comment: <http://lists.w3.org/Archives/Public/public-owl- > comments/2009Jan/att-0051/index.html> > [2a] Resolution: <http://www.w3.org/2009/02/24-owl-irc#T16-34-32-1> > [2b] Addendum: <http://www.w3.org/2009/02/24-owl-irc#T16-33-31> > [3] Diff: <http://www.w3.org/2007/OWL/wiki/index.php?title=RDF- > Based_Semantics&diff=18494&oldid=18493> > > -- > Dipl.-Inform. Michael Schneider > Research Scientist, Dept. Information Process Engineering (IPE) > Tel : +49-721-9654-726 > Fax : +49-721-9654-727 > Email: schneid@fzi.de > WWW : http://www.fzi.de/ipe/eng/mitarbeiter.php?id=555 > > ====================================================================== > ======== > > FZI Forschungszentrum Informatik an der Universität Karlsruhe > Haid-und-Neu-Str. 10-14, D-76131 Karlsruhe > Tel.: +49-721-9654-0, Fax: +49-721-9654-959 > Stiftung des bürgerlichen Rechts > Stiftung Az: 14-0563.1 Regierungspräsidium Karlsruhe > Vorstand: Prof. Dr.-Ing. Rüdiger Dillmann, Dipl. Wi.-Ing. Michael > Flor, > Prof. Dr. rer. nat. Dr. h.c. Wolffried Stucky, Prof. Dr. rer. nat. > Rudi Studer > Vorsitzender des Kuratoriums: Ministerialdirigent Günther Leßnerkraus > > ====================================================================== > ======== >
Received on Monday, 2 March 2009 21:52:46 UTC