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Re: draft of LC comment to XML Schema WG

From: Evan Wallace <ewallace@cme.nist.gov>
Date: Mon, 04 Aug 2008 10:23:04 -0400
Message-ID: <489710C8.7050705@cme.nist.gov>
To: Michael Schneider <schneid@fzi.de>
CC: public-owl-wg@w3.org

Michael Scheider asked:
> >For the purposes of reasoning in OWL, it is much easier to deal with
> >dateTime values where the timezone is present.  Such values can be
> >converted to single time points (using timeOnTimeline) 
>   
>
> What is 'timeOnTimeline'? Is this something that XSD people know? 
>   

Yes.  This is described in the definition for dateTime in the current 
XSD Recommendation [1]
and in the description of the Seven-property model in appendix D of the 
proposed XSD
revision [2] that Peter commented on.

> How is the XSD group supposed to understand "derived XML Schema datatype"?
> As a datatype different from the original xsd:dateTime?
>   
As Peter already indicated, this is an XSD term defined here [3] in the 
current Recommendation.

-Evan


[1] http://www.w3.org/TR/xmlschema-2/#dateTime
[2] http://www.w3.org/TR/xmlschema11-2/#theSevenPropertyModel
[3] http://www.w3.org/TR/xmlschema-2/#xr-defn
Received on Monday, 4 August 2008 14:23:56 GMT

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