- From: Alan Ruttenberg <alanruttenberg@gmail.com>
- Date: Wed, 20 Aug 2008 12:26:08 -0400
- To: OWL Working Group WG <public-owl-wg@w3.org>
For > This treatment of dateTime values appears to violate the equality > of dateTime values from the LC draft, as dateTime values without > timezone information that compare equal according to the LC draft > can be turned into dateTime values that do not compare equal. The > WG would appreciate guidance on how to do this processing in a > compliant manner. > > Does the "This" refer to our proposed repair mechanism for adding time zones to dateTimes without timezones? I thought being a bit more explicit by having an example would be helpful for them. > There are other potential solutions to reasoning with such dateTime > values (such as treating them as true intervals). However, these > solutions also appear to violate equality of dateTime values. > > Is the proposal for treating them as intervals coming from the XML Schema spec? If so, it's probably worth pointing out what where and giving an explicit example. > We also do not find a justification for having the range of > timezone be -840 to +840. The range of timezones currently in use > ranges from UTC-12 to UTC+14 (http://en.wikipedia.org/wiki/ > List_of_time_zones). > > Are we asking for a justification or are we saying we would prefer to use -12 to +14? > This section of the document also confused the WG, as it did not > mention dateTime. Only a careful examination of the entire LC draft > shows that year and second probably refer to the year and second > that appear as parts of dateTime (and other datatypes). The WG > suggests that the relationship between year and second and the > actual datatypes be made more clear in this section of the LC draft. > Had trouble resolving "This". The previous paragraph is about xsd:decimal and I didn't understand the connection. > Separately, the OWL WG has noticed... > Should this be included in this communication or be in a separate one? If it is separate and included in this communication consider having the subject line mention it. -Alan
Received on Wednesday, 20 August 2008 16:27:01 UTC