- From: Luc Moreau <L.Moreau@ecs.soton.ac.uk>
- Date: Mon, 30 Apr 2012 12:26:45 +0100
- To: public-prov-wg@w3.org
Hi Paul, Do you have a concrete use case, in particular, with attributes? Thanks, Luc On 04/30/2012 12:17 PM, Paul Groth wrote: > I think traced-to is useful to sometime assert especially in the case > where you want to be very vague about provenance. It's also nice to > have attributes so that you can associate other sorts of information > with it. > > However, if others think it's nicer to be inference only then I won't > be stand in the way. > > cheers > Paul > > On Mon, Apr 30, 2012 at 1:02 PM, Provenance Working Group Issue > Tracker<sysbot+tracker@w3.org> wrote: > >> PROV-ISSUE-370 (tracedTo-inference-only): Should tracedTo be moved to prov-constraints and be defined as a binary relation that can be inferred [prov-dm] >> >> http://www.w3.org/2011/prov/track/issues/370 >> >> Raised by: Luc Moreau >> On product: prov-dm >> >> >> TracedTo was introduced in the data model so as to have a transitive relation over derivations, etc. It can be inferred. In contrast, its definition as an assertion was not very compelling. In the latest version of prov-constraints, it is only defined as something that can be inferred. >> >> Really, it looks like a relation that is useful to express queries. >> >> So, in the spirit of simplification, should we move it out of prov-dm, and have it defined in prov-constraints only. >> >> At the same time, it could be simplified to a binary relation, since we have no way of inferring attributes for this relation. >> >> >> >> >> > > > -- Professor Luc Moreau Electronics and Computer Science tel: +44 23 8059 4487 University of Southampton fax: +44 23 8059 2865 Southampton SO17 1BJ email: l.moreau@ecs.soton.ac.uk United Kingdom http://www.ecs.soton.ac.uk/~lavm
Received on Monday, 30 April 2012 11:27:16 UTC