Re: Issue : should mappings be bijections? what happens if they are not?

Sorry, the relationship of modelReferences and schemaMappings can be
part of issue 7 (or extracted as issue 17), not of issue 6, as I wrote
below.

Jacek

On Tue, 2006-06-06 at 16:25 +0200, Jacek Kopecky wrote:
> Laurent,
> 
> I added this as issue 16.
> 
> I think the answer depends on whether we see a specific relationship
> between modelReferences and schemaMapping (possibly part of issue 6). 
> If there is a relationship, I'd like to see it formulated - it will also
> depend on what exactly it means for an element or type to be annotated
> with modelReference in the first place. I'll soon send another email in
> the thread "why distinguish between simple and complex types?" that will
> be relevant to this. 8-)
> 
> If we understand modelReference and schemaMapping as largely
> independent, your question would lack the other side of the bijection -
> a schemaMapping is on an element or type, but there is no given "set of
> ontology instances" which would be the bijected counterpart of the
> possible values of that element or type.
> 
> So if you have an assumption about the relationship between
> modelReference and schemaMapping, let's first try to agree on that and
> then we can tackle issue 16.
> 
> Best regards,
> 
> Jacek
> 
> 
> On Tue, 2006-06-06 at 14:43 +0200, Laurent Henocque wrote:
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> > 
> > When annotating an element: do we need to enforce the condition that there exists a one to one between the element type
> > space and the set of ontology instances?
> > If negative: what happens when a mapping raises an error? Do we have to provide hooks for error handlers in the
> > specification?
> > 
> > I would be happy with bijections ;-)
> > 
> > - --
> > *************************************************************************
> > Laurent Henocque
> > Maître de Conférences Hdr
> > tel: +33 6 83 88 20 01
> > Enseignant à l'Ecole Supérieure d'Ingénieurs de Luminy - Marseille
> >     http://www.esil.univ-mrs.fr
> > Chercheur au Laboratoire des Sciences de l'Information et des Systèmes - Marseille
> >     http://www.lsis.org
> > 
> > clé publique open pgp / open pgp public key :
> > http://www.esil.univ-mrs.fr/~henocque/0x987E183.pub.asc
> > ************************************************************************
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> 
>

Received on Tuesday, 6 June 2006 14:27:39 UTC