- From: Paolo Missier <Paolo.Missier@ncl.ac.uk>
- Date: Thu, 20 Dec 2012 15:11:04 +0000
- To: Luc Moreau <l.moreau@ecs.soton.ac.uk>
- CC: Curt Tilmes <Curt.Tilmes@nasa.gov>, public-prov-wg@w3.org
Hi, a similar comment to Luc's below: that wouldn't work, as the value of an entity's prov:key property is dependent upon the specific dictionary it is a member of. -Paolo On 20/12/2012 14:49, Luc Moreau wrote: > > Hi Curt, > > What if e1 belongs to two dictionaries, with keys k1 and k2, respectively? > > Luc > > On 12/20/2012 02:44 PM, Curt Tilmes wrote: >> hadMember(c,e) can't have additional attributes or other arguments. >> >> You could do something like: >> >> entity(d, [prov:type='prov:Dictionary']) >> entity(e1, [prov:key='k1']) >> hadMember(d, e1) >> >> This adds prov:key to the 'prov:' namespace, but that should be ok, >> since we've said Notes can do so. >> >> We could make it a little more specific to Dictionaries with "prov:dictkey='k1'". >> >> >> I'm also not sure what to do with multiple membership like: >> >> d = [(k1, e1), (k2, e1)] >> >> (Just give it two "prov:key"s?) >> >> Curt >> >> On 12/20/2012 09:23 AM, Tom De Nies wrote: >>> Hello Luc, >>> >>> I understand your concern, and it's something we can address before >>> proceeding. During the last telecon, we motivated our desire to redesign >>> the original memberOf relation of Dictionary. Basically, we'd like >>> consistency with Collection membership. >>> >>> Would the notation hadMember(d1, e1, "k1") address you concern? (without >>> the brackets) >>> In essence, this adds one attribute to the Collection membership for >>> Dictionary. It also would mean minimal changes througout the document. >>> >>> Tom >>> >>> On Dec 20, 2012 3:07 PM, "Luc Moreau" <l.moreau@ecs.soton.ac.uk >>> <mailto:l.moreau@ecs.soton.ac.uk>> wrote: >>> >>> Hi Tom and Sam, >>> >>> Sorry for the delay. >>> I have some concerns about the proposed membership relation. >>> >>> PROV requires members of a collection to be entities. >>> http://www.w3.org/TR/2012/CR-prov-dm-20121211/#concept-collection >>> >>> Given this, your relation >>> hadMember(d, ("k1", e1)) >>> seems to indicate that ("k1",e1) is also an entity. >>> >>> It's not how I had initially envisaged this to work. I see e1 as an >>> entity >>> belonging to the dictionary d, with "k1" it's key. >>> So, in my view, we have: >>> hadMember(d,e1) >>> but not >>> hadMember(d,("k1",e1)) >>> >>> If ("k1",e1) is an entity, what is its identifier? >>> >>> Grammatically, hadMember(d,("k1",e1)) is not compatible with the >>> prov-n notation, since the second argument of hadMember has to >>> be a qualified name (the identity of the member). >>> >>> To me, it's important that we address this issue, before going into >>> a review. >>> >>> Luc >>> >>> >>> On 12/18/2012 04:03 PM, Tom De Nies wrote: >>>> Specific questions we have for reviewers are: >>>> >>>> 1. Is the notation of Dictionary concepts clear & acceptable for >>>> you? (in PROV-N and PROV-O) >>>> 2. Are the constraints acceptable, or are they too loose/too strict? >>>> 3. Are you happy with the solution to the issue regarding >>>> completeness? (Tracing back to an EmptyDictionary) >>>> 4. Is the note ready to be published as FPWD? >>>> >>>> We would like to end the internal review after the first week of >>>> the new year. >>>> >>>> Thanks everyone, and happy holidays! >>>> >>>> Tom >>>> >>>> 2012/12/18 Sam Coppens Ugent <sam.coppens@ugent.be >>>> <mailto:sam.coppens@ugent.be>> >>>> >>>> Hello everybody, >>>> >>>> The Dictionary Note >>>> (http://dvcs.w3.org/hg/prov/raw-file/default/dictionary/prov-dictionary.html) >>>> has been finalised for review. Feedback on the note is welcome. >>>> Could everybody also check the authors of the document? If >>>> someone is missing, let us know. >>>> >>>> Thanks a lot! >>>> >>>> Best Regards, >>>> >>>> Sam & Tom >>>> >>>> >>> >>> -- >>> Professor Luc Moreau >>> Electronics and Computer Science tel:+44 23 8059 4487 <tel:%2B44%2023%208059%204487> >>> University of Southampton fax:+44 23 8059 2865 <tel:%2B44%2023%208059%202865> >>> Southampton SO17 1BJ email:l.moreau@ecs.soton.ac.uk <mailto:l.moreau@ecs.soton.ac.uk> >>> United Kingdomhttp://www.ecs.soton.ac.uk/~lavm >>> >> >> > -- ----------- ~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 PGP Public key: 0x45596549 - key servers: pool.sks-keyservers.net, subkeys.pgp.net, sks.mit.edu
Received on Thursday, 20 December 2012 17:30:04 UTC