- From: Curt Tilmes <Curt.Tilmes@nasa.gov>
- Date: Wed, 6 Jun 2012 17:24:12 -0400
- To: <public-prov-wg@w3.org>
On 06/06/2012 05:16 PM, Stephan Zednik wrote: > > On Jun 6, 2012, at 5:06 PM, Paolo Missier wrote: > >> Hi, >> >> it seems to me that all the ping pong from this mail froward in the >> thread is about whether Collections should be sets or bags >> (multisets). In the latter case, it doesn't matter whether two URIs >> really refer to the same entity. >> Is this the case? If so, would it be reasonable to accept that >> (abstract) Collections are bags > > +1 to no requirement on determining member equality for abstract > collections. It is up to the asserter to determine if it is important for their use case or not -- if it is, they are responsible for cleaning up their own data. It if isn't, then it doesn't matter. Curt > > --Stephan > >> , and Dictionaries as /sets/ (of key-valuye pairs)? >> >> -Paolo >> >> >> On 6/5/12 10:05 PM, Luc Moreau wrote: >>> Hi Tim, >>> >>> Thanks for your example. >>> >>> The following is not valid according to prov-dm: >>> >>> prov:hadMember # These would be asserted on a simple (first step) >>> 36 <http://dvcs.w3.org/hg/prov/file/tip/examples/eg-34-us-supreme-court-membership/rdf/eg-34-us-supreme-court-membership.ttl#l36> <http://dbpedia.org/resource/John_Glover_Roberts,_Jr.>, # prov:Collection. >>> 37 <http://dvcs.w3.org/hg/prov/file/tip/examples/eg-34-us-supreme-court-membership/rdf/eg-34-us-supreme-court-membership.ttl#l37> <http://dbpedia.org/resource/Antonin_Scalia>, # >>> 38 <http://dvcs.w3.org/hg/prov/file/tip/examples/eg-34-us-supreme-court-membership/rdf/eg-34-us-supreme-court-membership.ttl#l38> <http://dbpedia.org/resource/Anthony_Kennedy>, # >>> 39 <http://dvcs.w3.org/hg/prov/file/tip/examples/eg-34-us-supreme-court-membership/rdf/eg-34-us-supreme-court-membership.ttl#l39> <http://dbpedia.org/resource/Clarence_Thomas>, # >>> 40 <http://dvcs.w3.org/hg/prov/file/tip/examples/eg-34-us-supreme-court-membership/rdf/eg-34-us-supreme-court-membership.ttl#l40> <http://dbpedia.org/resource/Ruth_Bader_Ginsburg>, # >>> 41 <http://dvcs.w3.org/hg/prov/file/tip/examples/eg-34-us-supreme-court-membership/rdf/eg-34-us-supreme-court-membership.ttl#l41> <http://dbpedia.org/resource/Stephen_Breyer>, # >>> 42 <http://dvcs.w3.org/hg/prov/file/tip/examples/eg-34-us-supreme-court-membership/rdf/eg-34-us-supreme-court-membership.ttl#l42> <http://dbpedia.org/resource/Samuel_Alito>, # >>> 43 <http://dvcs.w3.org/hg/prov/file/tip/examples/eg-34-us-supreme-court-membership/rdf/eg-34-us-supreme-court-membership.ttl#l43> <http://dbpedia.org/resource/Sonia_Sotomayor>, # >>> 44 <http://dvcs.w3.org/hg/prov/file/tip/examples/eg-34-us-supreme-court-membership/rdf/eg-34-us-supreme-court-membership.ttl#l44> <http://dbpedia.org/resource/Elena_Kagan>; >>> >>> The key reason why we went for a dictionary and, say, a set of entities, >>> is that we are unable to decide whether an entity belongs to a set on >>> the basis of >>> its urls (since the same entity may be denoted by multiple urls). >>> >>> Luc >>> >>> On 05/06/2012 06:25, Timothy Lebo wrote: >>>> prov-wg, >>>> >>>> I tried my hand at modeling the provenance of the U.S. Supreme Court's current membership, and its derivation to it's first membership. >>>> >>>> The wiki page for the example is at: >>>> >>>> http://www.w3.org/2011/prov/wiki/Eg-34-us-supreme-court-membership >>>> >>>> In an attempt to take a fresh look at how we're modeling dictionaries (and collections?), I didn't reference PROV-DM, PROV-O, or any other examples or documentation -- I just tried to describe the subject matter. >>>> >>>> >>>> How does it look? >>>> >>>> I'd like to move PROV-O (and DM, if it needs tweaking) towards this kind of modeling and naming. >>>> >>>> Discussion and feedback encouraged. >>>> >>>> Later today, I'll try to start from scratch on the DM and work through the current PROV-O modeling, and then the recent threads on this topic. >>>> I hope by then we can converge on a satisfactory design. >>>> >>>> Regards, >>>> Tim >>>> >> >> >> -- >> ----------- ~oo~ -------------- >> Paolo Missier -Paolo.Missier@newcastle.ac.uk,pmissier@acm.org >> School of Computing Science, Newcastle University, UK >> http://www.cs.ncl.ac.uk/people/Paolo.Missier >
Received on Wednesday, 6 June 2012 21:24:38 UTC