- From: Khalid Belhajjame <Khalid.Belhajjame@cs.man.ac.uk>
- Date: Sun, 24 Jul 2011 12:06:38 +0100
- To: Provenance Working Group WG <public-prov-wg@w3.org>
- CC: Provenance Working Group Issue Tracker <sysbot+tracker@w3.org>
Hi Paul, I think that "Use" and "Generation" should be associated with time. However, I don't think we should associate time to derivation. I would argue that isDerivedFrom(b1,b2) holds all time. Although b1 and b2 may no longer exist, isDerivedFrom(b1,b2) is still valid. Thanks, khalid On 23/07/2011 16:46, Provenance Working Group Issue Tracker wrote: > PROV-ISSUE-43 (derivation-time): Deriviation should have associated time [Conceptual Model] > > http://www.w3.org/2011/prov/track/issues/43 > > Raised by: Paul Groth > On product: Conceptual Model > > Other relationships have time associated with them (e.g. use, generation, control) > > There is no optional time associated with derivation. > > Suggested resolution is to add the following to the definition of isDerivedFrom: > > - May contain a "derived from time" t, the time or time intervals when b1 was derived from b2 > > Example: > isDerivedFrom(b1,b2, t) > > > > > >
Received on Sunday, 24 July 2011 11:07:05 UTC