- From: Luc Moreau <L.Moreau@ecs.soton.ac.uk>
- Date: Fri, 17 Feb 2012 16:09:55 +0000
- To: public-prov-wg@w3.org
Hi Curt, Your example is good. This shows Satya's requirement can be expressed by application specific attributes. Estimated/uncertain creation times/intervals are out of scope of the prov data model. Regards, Luc On 02/17/2012 02:25 PM, Curt Tilmes wrote: > On 02/16/2012 05:04 PM, Luc Moreau wrote: >> On 16/02/12 21:36, Satya Sahoo wrote: >>> Also, I believe the DM supports representation of a simple provenance >>> assertion such as, "The MonaLisa portrait is dated to circa 1503–1519" >>> (MonaLisa portrait is an Entity). >> >> How would you do it? I don't know. > > Time is instantaneous, so you couldn't specify it as a generation > time, but could you just define a domain specific attribute for the > generation? > > wasGeneratedBy(ex:MonaLisa, [ex:creationEstimate="1503-1519"]); > > Is it ok to leave out both activity and time in order to specify > generation attributes? DM would seem to allow it since everything but > entity is optional. > > > How would such a thing get mapped to RDF? > > ex:MonaLisa a prov:Entity . > _:a a prov:Activity . > _:g a prov:Generation . > ex:MonaLisa prov:wasGeneratedBy _:a . > _:a prov:hadQualifiedGeneration _:g . > _:g a prov:QualifiedInvolvement . > _:g prov:hadQualifiedEntity ex:MonaLisa . > _:g ex:creationEstimate "1503-1519" . > > > Probably easier to just express this outside PROV: > > ex:MonaLisa ex:creationEstimate "1503-1519" . > > Curt > -- 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 Friday, 17 February 2012 16:10:25 UTC