- From: Peter F. Patel-Schneider <pfps@research.bell-labs.com>
- Date: Wed, 25 Feb 2009 09:24:30 -0500 (EST)
- To: ivan@w3.org
- Cc: public-owl-wg@w3.org
Good example, I'll add it. peter From: Ivan Herman <ivan@w3.org> Subject: Re: draft response for 47 / MK1 (discussed in F2F5) Date: Wed, 25 Feb 2009 14:39:30 +0100 > Maybe worth adding a small example on the usability of non-functional > keys? My example: I have two passport numbers: one Hungarian and one > French. Ie, the passport number property should not be functional for > me, but if I create a key which combines that with my nationality, then > it works as a (pair) of keys... > > Cheers > > Ivan > > Peter F. Patel-Schneider wrote: >> [Draft Response for LC Comment 47] MK1 >> Dear Marijke, >> Thank you for your message >> http://lists.w3.org/Archives/Public/public-owl-comments/2009Jan/0062.html >> on the OWL 2 Web Ontology Language last call drafts. This response >> addresses the second and third parts of your message. The OWL working >> group realizes that keys are often functional (and thus >> 1:1). OWL in general does not have a requirement that properties are >> functional. Non-functional keys may be useful in some applications, so >> the OWL working group has worries that requiring keys to always be >> functional would interfere with some potential uses of OWL. >> In any case, as you say, properties can be made functional in OWL, >> either locally or globally, and this provides for functional keys. >> Therefore, the OWL working group does not intend to change OWL 2 or to >> make any changes in the OWL 2 document in response to your comment. >> 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 > > -- > > Ivan Herman, W3C Semantic Web Activity Lead > Home: http://www.w3.org/People/Ivan/ > mobile: +31-641044153 > PGP Key: http://www.ivan-herman.net/pgpkey.html > FOAF: http://www.ivan-herman.net/foaf.rdf
Received on Wednesday, 25 February 2009 14:24:51 UTC