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Re: LC-1773: CC/PP 2.0 : CC/PP Structure, section 3.3

From: Ivan Herman <ivan@w3.org>
Date: Mon, 20 Aug 2007 11:52:39 +0200
Message-ID: <46C96467.7010802@w3.org>
To: stephane boyera <boyera@w3.org>
CC: public-ccpp2-comments@w3.org
O.k. I understand this but I think the formulation is not really correct
and misleading. I think what you say is that a component must have _only
one default_. In OWL terms, what you seem to say is that the
corresponding predicate is inverse functional (which, in OWL, can be
expressed directly).

I maintain that the type of differentiation you make, with the text you
use, is incorrect from the RDF point of view because there is strictly
no difference between what you denote as inline and external. In other
words, what happens here is that you impose an extra 'semantics' (sorry
for the word) on the RDF/XML encoding which no off-the shelf parser
would understand. Ie, a CC/PP implementation will have to use its own
parser instead of an external one (after parsing the RDF/XML code the
resulting RDF Graph will bear absolutely no trace whether the default
was 'external' or not...)


stephane boyera wrote:
> Dear Ivan,
> Thank you for your comment on CC/PP: Structure and vocabularies 2.0 ([1])
> Your comment on "CC/PP Structure, section 3.3" ([2]) has been referenced
> as LC-1773. Please use this reference for further discussion on this
> mailing-list.
> The WG decided to reject this comment.
> The requirement is to prevent the usage, within a component, of both a
> link to an external default and an inline one. Some components in one
> profile may have an inline ccpp:defaults, some others may have a link to
> an external documents. The rational for not allowing both inline and
> external reference in one component is to prevent conflicting
> information, and to avoid having to define precedence, profile matching,
> and rules of conflict resolutions. Such complexity is not appropriate
> for describing ccpp:defaults.
> Please, let us know if you agree with this decision
> Best Regards,
> On behalf of the UWA WG,
> Stephane Boyera
> [1] http://www.w3.org/TR/2007/WD-CCPP-struct-vocab2-20070430/
> [2]
> http://lists.w3.org/Archives/Public/public-ccpp2-comments/2007Jun/0002.html
> [3] http://www.w3.org/2007/uwa/editors-drafts/ccpp2/


Ivan Herman, W3C Semantic Web Activity Lead
Home: http://www.w3.org/People/Ivan/
PGP Key: http://www.ivan-herman.net/pgpkey.html
FOAF: http://www.ivan-herman.net/foaf.rdf

Received on Monday, 20 August 2007 09:52:55 UTC

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