Re: draft response for LC comment 20 JDB1

Hi Peter,

I think a few words about, or pointer to a discussion of the
implementation issues that are relevant to OWL RL in this response
should be added.

-Alan

On Tue, Mar 3, 2009 at 9:28 PM, Peter F. Patel-Schneider
<pfps@research.bell-labs.com> wrote:
> [Draft Response for LC Comment 20:] JDB1
>
> Dear Jos,
>
> Thank you for your message
>  <http://lists.w3.org/Archives/Public/public-owl-comments/2009Jan/0022.html>
> on the OWL 2 Web Ontology Language last call drafts.
>
> You are correct that OWL 2 RL does not need the intersection of
> datatypes to be empty or infinite.  Accordingly the datatypes in OWL 2
> RL have been adjusted to include all the OWL datatypes that are
> restrictions of xsd:decimal and xsd:string and also xsd:boolean.
>
> In response to another comment
>  <http://lists.w3.org/Archives/Public/public-owl-wg/2009Jan/0083.html>
> on the difficulty of implementing datatypes in rules systems,
> owl:real and owl:rational have been removed from OWL 2 RL.
> This possibility was mentioned in Feature At Risk #2.
>
> The diffs for these changes can be found at
> http://www.w3.org/2007/OWL/wiki/index.php?title=Profiles&diff=18687&oldid=18109
>
> Implementation difficulties have resulted in xsd:float and xsd:double
> remaining out of OWL 2 RL.  If these difficulties can be overcome the
> two datatypes may be included in OWL 2 RL.  If changes occurs the
> working
> group will notify you.
>
> 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, 16 March 2009 18:28:10 UTC