- From: Carsten Lutz <clu@tcs.inf.tu-dresden.de>
- Date: Thu, 08 Nov 2007 14:09:20 +0100 (CET)
- To: gstoil@image.ece.ntua.gr
- Cc: Boris Motik <boris.motik@comlab.ox.ac.uk>, public-owl-wg@w3.org
On Thu, 8 Nov 2007, gstoil@image.ece.ntua.gr wrote: > > Carsten Lutz <clu@tcs.inf.tu-dresden.de> said: > >> relation. Actually, we could think of adding the universal property >> and interpreting the anonymous individuals as skolem constants, as you >> propose. This means that, if really needed, true anonymous individuals >> can still be recovered via the universal property. The restriction to >> tree-shaped interconnections is then automatic. And we don't introduce >> conjunctive queries to ontology entailment. >> >> greetings, >> >> Carsten > > But is there currently any reasoning support for the universal role in SROIQ? > I believe there isn't any. Yes, it is in SROIQ. But even if it wasn't: it's useful, it's easily added to tableau algorithm, and it shouldn't be difficult to implement. greetings, Carsten -- * Carsten Lutz, Institut f"ur Theoretische Informatik, TU Dresden * * Office phone:++49 351 46339171 mailto:lutz@tcs.inf.tu-dresden.de *
Received on Thursday, 8 November 2007 13:09:36 UTC