- From: Ian Horrocks <ian.horrocks@comlab.ox.ac.uk>
- Date: Mon, 2 Mar 2009 17:19:39 +0000
- To: Peter F. Patel-Schneider <pfps@research.bell-labs.com>
- Cc: public-owl-wg@w3.org
Looks good to me. Thanks, Ian On 24 Feb 2009, at 17:05, Peter F. Patel-Schneider wrote: > [Draft Response for LC Comment 25:] RIF2 > > Dear Chris (and the RIF WG), > > Thank you for your message > http://lists.w3.org/Archives/Public/public-owl-comments/2009Jan/ > 0032.html > on the OWL 2 Web Ontology Language last call drafts. > > The working group paid close attention to the datatypes that it > supports. We examined the XML Schema datatypes to determine those > that > are acceptable for use within OWL. The datatypes > xsd:normalizedString, > xsd:token, xsd:Name, xsd:NCName, and xsd:NMTOKEN are simply derived > from > xsd:string and pose no problems for OWL 2. They are therefore > included > in the datatypes of OWL 2. > > There was considerable discussion of owl:rational in the working > group. > There are natural uses for owl:rational (for example in recipes) but > another reason to include owl:rational is to support n-ary datatypes > with linear equations in data ranges. This optional extension to > OWL 2 > is in preparation; the current document can be found at > http://www.w3.org/2007/OWL/wiki/Data_Range_Extension:_Linear_Equations > > The OWL working group is interested in there being a set of Web > compatible datatypes. Toward that end, the OWL working group will work > with the RIF working group to describe and extend the set of datatypes > supported by both OWL and RIF. > > Please acknowledge receipt of this email to > <mailto:public-owl-comments@w3.org> (replying to this email should > suffice). In your acknowledgment please let us know whether or not you > are satisfied with the working group's response to your comment. > > Regards, > Peter F. Patel-Schneider > on behalf of the W3C OWL Working Group >
Received on Monday, 2 March 2009 17:20:18 UTC