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Re: concerns about RDF Mapping doc

From: Ivan Herman <ivan@w3.org>
Date: Thu, 18 Oct 2007 17:12:22 +0200
Message-ID: <471777D6.5080902@w3.org>
To: Jeremy Carroll <jjc@hpl.hp.com>
CC: public-owl-wg@w3.org

I am not ashamed to acknowledge my own missing technical knowledge...:-)
could you explain (or give specific references) to your points (b) and
(c) below?



Jeremy Carroll wrote:
> At the telecon last night, I (successfully) requested a weakening of the
> proposal for first publication, to leave it open as to whether the RDF
> Mapping doc would be included or not.
> This was not an attempt to immediately advocate that it should not be
> included; merely an attempt to leave it open to advocate that it should
> not be included.
> My motivation for doing this was that in an HP internal reviews of all
> three documents, the reviewer had minor issues with the other two docs
> but had more major issues with RDF Mappping.
> Before advocacy one way or another, I will need to refresh my memory:
> looking at both the most recent version of RDF Mapping, and the HP
> internal review.
> If I remember correctly the heart of the criticism was that:
> a) The OWL 1.1 suite of docs, do not include an OWL Full semantics. HP
> regard an OWL Full semantics as critical.
> b) In OWL 1.0, the tension between the OWL Full semantics and the direct
> semantics is resolved in cleverly non-deterministic mapping rules
> c) The OWL 1.1 mapping rules, probably in order to simplify life for the
> implementers, have reduced the non-determinism (and the cleverness)
> d) In the HP reviewer's opinion the reduction in the non-determinism
> severely impacted the ability to define an appropriate OWL 1.1 Full
> semantics.
> In my view, if this criticism stands, then, it is a criticism of the
> whole document, rather than of a few paragraps or sections.
> It also reflects a value judgement that OWL Full semantic compatibility
> is more important than simplifying life for the implementors of the
> mapping rules, even at the risk of being too clever by half.
> Jeremy
> (carefully sketching a position that I might hold later, or some
> anonymous HP reviewer might hold; without actually committing to it!)


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 Thursday, 18 October 2007 15:12:30 UTC

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