- From: Michael Smith <msmith@clarkparsia.com>
- Date: Tue, 30 Sep 2008 10:33:10 -0400
- To: "Peter F. Patel-Schneider" <pfps@research.bell-labs.com>
- Cc: public-owl-wg@w3.org
On Tue, 2008-09-30 at 10:14 -0400, Peter F. Patel-Schneider wrote: > Discussion in the XML Schema WG on 29 September 2008 chronicled at > http://lists.w3.org/Archives/Member/w3c-xml-schema-ig/2008Sep/0025.html > indicates that they will indeed have a datatype that is xsd:dateTime > with a required timezone. They will also have a facet for xsd:dateTime > that indicates whether the timezone is required, forbidden, or optional. > > The net result is that we can eventually use an xsd name for > owl:dateTime. However, I suggest that this does not need to be > reflected in the current round of publication. I believe that there is still an issue of equality vs. identity. With the current description in Syntax 2008-09-30T10:27:30-04:00 is the same value as 2008-09-30T14:27:30-00:00 This is not true with xsd:dateTime, so will not be true for a type derived from it which requires timezones. See the note just before 3.3.8.2 in [1]. -- Mike Smith Clark & Parsia [1] http://www.w3.org/TR/xmlschema11-2/#dateTime
Received on Tuesday, 30 September 2008 14:33:56 UTC