- From: Mike Smith <msmith@clarkparsia.com>
- Date: Wed, 4 Feb 2009 10:16:45 -0500
- To: W3C OWL Working Group <public-owl-wg@w3.org>
On Tue, Feb 3, 2009 at 05:40, Ivan Herman <ivan@w3.org> wrote: > In the current version of OWL QL, owl:sameAs (if you prefer, same > individual assertion:-) is disallowed. Having checked with Boris (and > also chatted with Bijan) it seems that the reason is that this leaves it > open to possibly extend QL *either* to include owl:sameAs *or* > (exclusive 'or') functional properties. > > In my view, it would be better to include one or the other to the > document to make the QL standard profile clearer and cleaner for users. > Introducing a loophole of extra extension would reduce the usability of > QL in my view, mainly in terms of interoperability. > > The LOD movement, for better or worse, has already made an extensive use > of owl:sameAs in linking billions of triples stemming from public > databases. In view of that use case, my proposal is to _add_ the same > individual assertion into OWL QL. That would make OWL QL way more > attractive for an important user community. This was one side of the discussion in [ISSUE-133]. I believe that the email discussion linked to that issue (including the compromise resolution [1]) are relevant when considering this LC comment. -- Mike Smith Clark & Parsia [ISSUE-133] http://www.w3.org/2007/OWL/tracker/issues/133 [1] http://lists.w3.org/Archives/Public/public-owl-wg/2008Sep/0017.html
Received on Wednesday, 4 February 2009 15:17:26 UTC