14:51:53 RRSAgent has joined #prov 14:51:53 logging to http://www.w3.org/2011/07/28-prov-irc 14:51:55 RRSAgent, make logs world 14:51:55 Zakim has joined #prov 14:51:57 Zakim, this will be 14:51:57 I don't understand 'this will be', trackbot 14:51:58 Meeting: Provenance Working Group Teleconference 14:51:58 Date: 28 July 2011 14:52:20 Chair: Paul Groth 14:52:33 Regrets: Helena Deus 14:53:18 zakim, who is on the call? 14:53:18 sorry, pgroth, I don't know what conference this is 14:53:19 On IRC I see RRSAgent, pgroth, MacTed, edsu, sandro, trackbot 14:53:33 Zakim, this will be PROV 14:53:33 ok, pgroth, I see SW_(PROV)11:00AM already started 14:53:40 zakim, who is on the call? 14:53:40 On the phone I see ??P33 14:53:49 Zakim, ??P33 is me 14:53:49 +pgroth; got it 14:53:52 Luc has joined #prov 14:54:04 can anyone on the call scribe today? 14:55:25 Regrests: Helena Deus, Reza B'Far 14:56:00 + +44.238.059.aaaa 14:56:19 zakim, +44.238.059.aaaa is me 14:56:19 +Luc; got it 14:56:40 Curt has joined #prov 14:57:15 + +1.443.987.aabb 14:57:25 Edoardo has joined #prov 14:57:57 + +1.858.210.aacc 14:58:13 +??P41 14:58:33 zakim, +1.443.987.aabb is me 14:58:33 +Curt; got it 14:58:40 can anyone scribe today? 14:58:48 +??P44 14:58:56 GK1 has joined #prov 14:59:59 JimM has joined #prov 15:00:23 khalidbelhajjame has joined #prov 15:00:32 dcorsar has joined #prov 15:00:33 smiles has joined #prov 15:00:34 zednik has joined #prov 15:00:35 StephenCresswell has joined #prov 15:00:48 + +1.540.449.aadd 15:01:15 +??P54 15:01:19 can someone scribe today? 15:01:56 +??P63 15:02:04 + +1.518.633.aaee 15:02:07 zakim, ??P63 is me 15:02:17 +smiles; got it 15:02:46 Scribe: smiles 15:02:46 SamCoppens has joined #prov 15:02:50 +??P68 15:02:52 Christine has joined #prov 15:02:58 + +1.518.276.aaff 15:03:03 zakim, ??P54 is me 15:03:03 +khalidbelhajjame; got it 15:03:13 tlebo has joined #prov 15:03:51 +Kingsley_Idehen 15:03:55 pgroth: describes agenda 15:04:00 http://www.w3.org/2011/prov/meeting/2011-07-21 15:04:01 Zakim, Kingsley_Idehen is OpenLink_Software 15:04:07 Zakim, OpenLink_Software is temporarily me 15:04:09 +OpenLink_Software; got it 15:04:09 PROPOSED to accept the minutes of 21 Jul telecon and F2F1 15:04:15 +MacTed; got it 15:04:20 +1 15:04:22 +1 15:04:22 +1 15:04:25 0 (was not present) 15:04:25 +1 15:04:29 Zakim, mute me 15:04:38 + +329331aagg 15:04:41 +1 15:04:42 MacTed should now be muted 15:04:46 +??P28 15:04:47 +1 15:04:48 dgarijo has joined #prov 15:04:53 =+1 15:04:53 GK has joined #prov 15:05:03 zakim, +329331aagg is me 15:05:04 +SamCoppens; got it 15:05:08 Zakim, who's here? 15:05:14 http://www.w3.org/2011/prov/track/actions/open 15:05:16 On the phone I see pgroth, Luc, Curt, +1.858.210.aacc, ??P41, ??P44, +1.540.449.aadd, khalidbelhajjame, smiles, +1.518.633.aaee, ??P68, +1.518.276.aaff, MacTed (muted), SamCoppens, 15:05:23 ... ??P28 15:05:27 On IRC I see GK, dgarijo, tlebo, Christine, SamCoppens, StephenCresswell, zednik, smiles, dcorsar, khalidbelhajjame, JimM, GK1, Edoardo, Curt, Luc, Zakim, RRSAgent, pgroth, MacTed, 15:05:27 Topic: Action items 15:05:32 ... edsu, sandro, trackbot 15:05:46 pgroth: Actions have been cleaned up, as sometimes completed, sometimes superceded 15:05:49 -??P28 15:06:05 pgroth: One action left on Stephan regarding 2nd iteration of use case questionnaire 15:06:30 +??P13 15:06:40 Topic: deadline for issues submission 15:06:47 q? 15:06:49 Zakim, ??P13 is me 15:06:58 q? 15:07:02 pgroth: would be good to have a deadline for issue submission, suggest next week's telecon 15:07:03 +??P10 15:07:07 +dgarijo; got it 15:07:12 zakim, ??P10 is me 15:07:13 +GK; got it 15:07:15 ?q 15:07:19 q? 15:07:22 +q 15:07:38 - +1.518.276.aaff 15:07:50 khalid: with respect to all drafts or just model and paq? 15:07:55 pgroth: should be all documents 15:08:00 -q 15:08:08 + +1.518.276.aahh 15:08:25 ... if we feel like opening up for a document, we can do so, e.g. ontology 15:08:29 q+ 15:08:41 q+ to say I don't think its reasonable to close documents to issue submission, if that's being proposed 15:08:42 ack simon 15:09:20 smiles: what do we do if we think of more issues after deadline 15:09:20 ack smiles 15:09:26 ack GK 15:09:26 GK, you wanted to say I don't think its reasonable to close documents to issue submission, if that's being proposed 15:09:29 jcheney has joined #prov 15:09:35 +??P12 15:09:46 zakim, ??p12 is me 15:09:46 +jcheney; got it 15:09:46 pgroth: should leave until after first draft, so we have a set we will resolve for that draft 15:10:18 GK: not reasonable to close the issue list, but end which issues will be in first draft 15:10:31 + +1.518.276.aaii 15:10:50 pgroth: issues can be raised, but no more open issues for first draft after next week 15:11:09 q? 15:11:09 ... editor can say issue is closed pending review 15:11:47 pgroth: Please sign up to scribe! especially for next week 15:11:59 http://www.w3.org/2011/prov/wiki/NameSuggestions 15:12:09 satya has joined #prov 15:12:09 Topic: Name suggestions for standard (model/language) 15:12:16 Topic: Call for name suggestions 15:12:31 ... please go to site above to look at suggestions 15:12:55 ... add suggestions, next week we will have a straw poll on what the group likes 15:13:12 Topic: W3C Privacy Interest Group 15:13:44 Christine: W3C is proposing two new privacy-related groupPrivacy Interest Group 15:13:57 http://www.w3.org/2011/07/privacy-ig-charter 15:14:20 ... Privacy Interest Group and Tracking Protection Group 15:14:38 http://www.w3.org/2011/tracking-protection/charter-draft 15:15:11 ... the privacy community may be one we are interested in talking to 15:15:54 +wcandillon 15:15:59 q? 15:16:00 ... might ask them to add our group to their charter, perhaps with regard to the agreed use of private data 15:16:36 pgroth: always useful to have connections to other WGs, just restricted by bandwidth of people in the group 15:16:50 ... anyone in privacy groups involved in our WG? 15:17:09 q+ to say I think the importance of connecting may have more to do with social/policy implications, less well defined than technical issues just implied 15:17:17 Christine: privacy groups not formed yet, but am considering asking to join 15:17:20 ack GK 15:17:20 GK, you wanted to say I think the importance of connecting may have more to do with social/policy implications, less well defined than technical issues just implied 15:17:59 GK: is benefit at technical level, or maybe better at policy level, reinforcing user trust in systems? 15:18:17 (benefit of interaction of groups) 15:19:14 Christine: TP group will be very technical, but what is interesting about PIG for W3C is people with interest in both user and technical areas 15:19:40 jorn has joined #prov 15:19:50 Yogesh has joined #prov 15:20:01 pgroth: if group gets formed, useful to know what we can do to advertise provenance WG work as it can help them 15:20:04 +??P17 15:20:27 (What's to object to?) 15:20:48 Topic: Update on provenance access document 15:21:07 -wcandillon 15:21:15 GK: document now in version control repository 15:21:32 +wcandillon 15:21:34 ... some issues raised, GK responding 15:21:41 zakim, ??p17 is me 15:21:41 +jorn; got it 15:22:17 ... several editorial issues dealt with, but other issues require more discussion, including interaction of access mechanism and model 15:22:38 +q 15:22:44 http://dvcs.w3.org/hg/prov/raw-file/bc0bbf26efab/paq/provenance-access.html, right? 15:22:48 ack khalid 15:23:05 khalid: is version on main page of WG Wiki the one circulated this morning? 15:23:37 http://www.w3.org/2011/prov/wiki/WorkingDrafts 15:23:39 GK: yes, should be the latest one 15:23:47 refers to the "always latest" http://dvcs.w3.org/hg/prov/raw-file/default/paq/provenance-access.html 15:23:58 -q 15:24:23 -wcandillon 15:24:31 Topic: Provenance ontology 15:24:45 Satya? 15:25:14 Zakim, who's here? 15:25:14 On the phone I see pgroth, Luc, Curt, +1.858.210.aacc, ??P41, ??P44, +1.540.449.aadd, khalidbelhajjame, smiles, +1.518.633.aaee, ??P68, MacTed (muted), SamCoppens, dgarijo, GK, 15:25:17 ... +1.518.276.aahh, jcheney, +1.518.276.aaii, jorn 15:25:18 On IRC I see Yogesh, jorn, satya, jcheney, GK, dgarijo, tlebo, Christine, SamCoppens, StephenCresswell, zednik, smiles, dcorsar, khalidbelhajjame, JimM, GK1, Edoardo, Curt, Luc, 15:25:20 ... Zakim, RRSAgent, pgroth, MacTed, edsu, sandro, trackbot 15:25:31 a couple of mins - just joing again 15:25:46 pgroth: first draft of ontology, available on version control, plus brief document describing class hierarchy 15:26:03 q? 15:26:12 q? 15:26:14 q+ 15:26:20 ack Luc 15:27:13 Luc: some differences between ontology file and specification document, e.g. most concepts subclass of Bob in one document but not the other 15:27:14 + +1.706.461.aajj 15:27:33 ... also, some differences with conceptual model, not sure how group should address these 15:28:16 Probably we can wait a bit until the model is stable, and most issues are resolved, before trying to check the consistency between the model and the OWL ontology 15:29:04 satya: HTML is most consistent version, OWL is under development taking into account capabilities of OWL 15:29:53 ... by definitions in conceptual model, process execution and agent are subclasses of BOB, so in HTML document, but am to raise this issue with conceptual model 15:30:23 +q 15:30:54 ... please fire issues regarding discrepancies of HTML specification of formal model and conceptual model 15:31:52 @Satya: I would like to help you in this task 15:31:54 +q 15:31:59 ... met RPI people, to get help with editing document, ontology, visualising schema 15:32:03 q+ I've volunteered 15:32:29 yes, I would like to help. I am not expert in OWL, but am ready to give it a go 15:32:34 + +1.512.524.aakk 15:32:41 Luc: Paul and I will find co-editor for this document, probably from RPI (ACTION) 15:32:45 ack dgarijo 15:32:59 rgolden has joined #prov 15:33:29 dgarijo: sent issues by email about document, will raise 15:33:39 ... volunteers to help on formal semantics 15:33:47 ack tlebo 15:33:48 Regrests: Helena Deus, Reza B'Far, Paolo Missier 15:33:49 Thanks Satya 15:33:53 satya: will contact those interested in helping on formal semantics 15:34:07 Regrets: Helena Deus, Reza B'Far, Paolo Missier 15:34:15 tlebo: will help out in defining ontology, Deborah sent some guidance by email 15:34:16 q? 15:34:18 zakim, +1.540 is me 15:34:18 +Yogesh; got it 15:34:22 q- 15:34:27 ack sees I've 15:34:42 q? 15:34:45 ack I've 15:34:50 ack volun 15:35:00 Topic: conceptual model 15:35:25 Luc: document released by Paolo and I, many issues raised, lots of discussion 15:35:31 -jorn 15:35:38 ... some issues dealt with, hope to be able to close soon 15:35:55 ... over next week deal with others, then Paolo and I away for two weeks 15:36:12 +??P17 15:36:16 pgroth: possible to get some core issues done, so satya can proceed? 15:36:46 Luc: by the time Paolo and I go away, hope to have reasonable set of concepts defined, possibly up to Role in the document 15:37:08 ... have these sections in a decent state 15:37:11 I regret I haven't had time to review the provenance model doc properly yet, but when I do I'd like to draft a proposal to eliminate the Entity/BOB distinction. 15:37:31 ... not sure whether people have more issues to raise 15:38:13 Luc: need to decide on Entity/BOB soon 15:38:33 pgroth: get issues in my early next week, to ensure get somewhere before Luc, Paolo away 15:38:36 issues up to 5.11 15:38:46 Topic: BOB 15:38:58 ilkayaltintas has joined #prov 15:39:18 http://dvcs.w3.org/hg/prov/raw-file/default/model/ProvenanceModel.html#bob 15:39:29 Luc: In Section 5.1, we have BOB concept, which is a construct of the language 15:39:42 ... no term called 'entity' 15:40:18 ... in text of document use term entity with natural language meaning, not defined as part of model 15:40:33 satya has joined #prov 15:40:44 ... Need to decide 1. Have we got only one concept in the model? 15:40:51 AH, OK, "BOB" is the new "Entity" 15:40:52 ... 2. What should we call it? 15:40:56 q? 15:41:18 q+ 15:41:31 +1 15:41:34 Luc: question 1 may be translated to only one class in ontology 15:41:36 +1 for only one [formal class] construct in the language 15:41:43 ack smiles 15:41:57 +1 15:42:12 simon: agree that there is only one concept in the model 15:42:23 +1 15:42:29 +1 agree with one concept and proposal for calling it entity 15:43:00 +1 for Entity not a class in the model, Concept is a class. 15:43:00 +1 agree with one concept and call it entity 15:43:03 Luc: Jim McCusker has argued for two distinct concepts 15:43:13 Jim McCusker is in a conference - may not be on the call 15:44:06 khalid: I believe the idea Jim was to allow us to be able to express that two BOBs characterise same entity 15:44:10 q+ 15:44:14 q+ to suggest a clear statement of this change is announced to the list so WG members can comment 15:44:38 ... I was supporting same but not include entity as a concept in the model 15:44:38 @GK, the draft makes this clear 15:45:10 ack JimM 15:45:46 JimM: I think Jim McCusker is trying to distinguish between a thing and the document describing it 15:46:10 ... e.g. a URI for him, one for document describing him 15:46:17 @Luc, I'm sure it does, but lacking time to do a proper review I haven't been aware of the change 15:46:50 q- 15:46:53 ack GK 15:46:53 GK, you wanted to suggest a clear statement of this change is announced to the list so WG members can comment 15:47:12 q+ 15:47:19 ack Luc 15:47:52 Luc: never had both BOB and entity, so having one will not be a change 15:47:52 Entity vs. BOB - We can't write Entities down, we can only write down BOBs that can only scratch at describing the real physical or conceptual Entity 15:48:13 q? 15:48:34 the whiteboard was the source of my confusion 15:48:37 GK: recollects whiteboard with two columns 15:48:55 +1 for bobs only in model, if there's a way to identify the "top bob" 15:48:57 but now realize that the left column on the whiteboard was not a first-class concept 15:49:12 Luc: right column was constructs in the language, left was term used informally 15:49:51 GK: when you say "represent" do you mean "denote"? 15:50:04 Stuff became Entity and Thing became Bob 15:50:06 Luc: please go back to document to see exact wording 15:50:15 q+ 15:50:35 ack satya 15:51:22 satya: when considering provenance, we should not distinguish between what is in real world and our representation in an information system 15:51:26 the whiteboard from F2F1 distinguishing Entities from BOBs http://twitpic.com/5x7oen/full 15:51:39 -??P17 15:51:43 ... we should only be concerned with our constructs, so only one concept 15:51:45 q? 15:52:06 +??P17 15:52:24 proposed: this is the Existence of a single concept pil:BOB (name TBD) as opposed to two concepts (pil:Entity/pil:BOB) 15:52:28 +1 15:52:32 +1 15:52:37 +1 15:52:39 +1 15:52:40 +1 15:52:40 +1 15:52:41 0 15:52:42 +1 15:52:44 +1 15:52:50 Phrased a bit oddly, but +1 15:52:53 +1 15:53:04 +1 15:53:07 sure 15:53:10 +1 15:53:20 +1 15:53:22 q+ 15:53:33 q+ 15:53:41 proposed: That there exists only a single concept pil:BOB (name TBD) as opposed to two concepts (pil:Entity/pil:BOB) 15:53:43 ack luc 15:53:49 +1 15:53:59 +1 (as long as "entity" is part of the description of pil:BOB 15:54:07 +1 15:54:10 +1 15:54:10 +1 15:54:12 +1 15:54:12 +1 15:54:15 +1 15:54:19 +1 15:54:21 +1 (for both proposals :-) 15:54:29 +1 15:54:38 +1 15:54:41 +1 15:54:56 Accepted: That there exists only a single concept pil:BOB (name TBD) as opposed to two concepts (pil:Entity/pil:BOB) 15:54:59 @tlebo: yes, it is used: "A BOB represents an identifiable characterized entity" 15:55:30 pgroth: What should we call BOB? 15:55:43 Entity, 15:55:44 Snapshot 15:55:44 View 15:55:44 Perspective 15:55:44 InstantiatedEntity/EntityInstance 15:55:59 EntitySnapshot 15:56:01 Identifiable 15:56:04 Bounded OBservation (or BOB for short) 15:56:07 resource :-) 15:56:12 Thing 15:56:13 EntityDescription? 15:56:17 q+ to ask now we've talked around this, does anything distinguish this from rdf:Resource or owl:Thing? 15:56:29 Appearance 15:56:29 ack tlebo 15:56:43 ack GK 15:56:43 GK, you wanted to ask now we've talked around this, does anything distinguish this from rdf:Resource or owl:Thing? 15:56:44 q+ 15:56:48 ack Luc 15:56:52 GK: is there anything to distinguish the concept from an RDF resource or OWL Thing? 15:56:55 Luc: yes and no 15:57:20 ... BOB's should be identifiable as with resource/Thing, but also list attributes and their values 15:57:20 q+ to GK for clarifying his que 15:57:45 BOBs are a very small subset of rdfs:Resource/owl:Thing; BOBs are only the things we've written down to describe entities. 15:57:47 ... Thing can be extended to have attributes, values 15:57:47 teh difference is by degree - we might want to look in more detail/shorter lived things, but I don't see a difference in kind 15:58:13 GK: resources and Things have attributes, just not required attributes 15:58:20 ack satya 15:58:20 satya, you wanted to GK for clarifying his que 15:58:24 q+ 15:58:47 satya: RDF resource and OWL Thing are different from each other 15:58:54 My proposal is owl:Thing or rdf:Resource (areen't they the same in OWL full?) 15:59:26 tlebo: BOB's are only things we are writing down to describe entities in the real world 15:59:29 I thoughts BOBs could be anything too 15:59:52 Luc: agree that BOB is subclass of RDF resource or OWL Thing 16:00:02 ... but can postpone this debate (use sameAs) 16:00:08 Entity, 16:00:09 Snapshot 16:00:09 View 16:00:09 Perspective 16:00:10 InstantiatedEntity/EntityInstance 16:00:10 EntitySnapshot 16:00:11 Bounded OBservation (or BOB for short) 16:00:13 resource 16:00:15 Thing 16:00:17 EntityDescription 16:00:19 Appearance 16:00:31 "writing down" in a very general sense. BOBs must exist in space time. 16:00:38 Identifiable 16:00:41 +1 for Entity 16:00:44 Entity 16:00:47 +1 16:00:48 +1 16:00:48 +1 16:00:49 +1 16:00:49 +1 16:00:49 +1 16:00:50 +1 16:00:53 +1 16:00:54 +1 16:00:57 +1 16:00:58 +1 16:00:58 +1 16:00:59 0 for Entity 16:01:05 Snapshot 16:01:06 +1 16:01:06 (+1 for simoninireland who is here) 16:01:08 -1 16:01:08 -1 16:01:09 -1 16:01:10 +1 16:01:11 +1 16:01:12 @rgolden, process executions are also identifiable but are not BOBs 16:01:14 -1 16:01:16 +1 16:01:18 0 16:01:18 -1 16:01:22 View 16:01:24 -1 16:01:25 -1 16:01:25 -1 16:01:26 +1 16:01:26 -1 16:01:26 -1 16:01:27 -1 16:01:29 -1 16:01:30 +1 16:01:32 -1 16:01:32 +1 16:01:38 -1 16:01:40 Perspective 16:01:42 -1 16:01:43 -1 16:01:43 -1 16:01:43 -1 16:01:43 +1 16:01:43 -1 16:01:43 -1 16:01:45 0 16:01:46 -1 16:01:49 0 16:01:50 0 16:01:54 0 16:01:57 -1 16:01:59 -1 16:02:03 InstantiatedEntity/EntityInstance 16:02:05 -1 16:02:05 -1 16:02:06 -1 16:02:06 0 16:02:07 -1 16:02:08 -1 16:02:08 -1 16:02:09 0 16:02:09 -1 16:02:11 -1 16:02:13 0 16:02:13 -1 16:02:15 0 16:02:17 0 16:02:20 EntitySnapshot 16:02:21 -1 16:02:22 -1 16:02:24 -1 16:02:24 -1 16:02:24 -1 16:02:24 +1 16:02:25 -1 16:02:26 -1 16:02:27 -1 16:02:27 +1 16:02:30 -1 16:02:31 -1 16:02:34 -1 16:02:40 Bounded OBservation (or BOB for short) 16:02:42 -1 16:02:45 -1 16:02:47 -1 16:02:47 :) -1 16:02:47 -1 16:02:47 -1 16:02:49 -1 16:02:50 -1 :) 16:02:52 -1 16:02:53 -1 16:02:53 -1 16:02:54 :) -1 16:02:56 -1 16:02:56 :-), but -1 16:02:57 -1 16:03:02 resource 16:03:05 -1 16:03:05 +1 16:03:07 0 16:03:08 +1 16:03:08 -1 16:03:09 -1 16:03:09 0 16:03:10 -1 16:03:11 -1 16:03:11 +1 16:03:12 0 16:03:12 0 16:03:13 -1 16:03:13 0 16:03:14 -1 16:03:15 -1 16:03:18 Thing 16:03:20 -1 16:03:20 +1 16:03:22 +1 16:03:22 -1 16:03:22 -1 16:03:22 -1 16:03:23 -1 16:03:24 +1 16:03:25 0 16:03:25 +1 16:03:25 -1 16:03:26 -1 16:03:27 0 16:03:30 -1 16:03:32 +1 16:03:35 EntityDescription 16:03:36 -1 16:03:39 -1 16:03:39 -1 16:03:39 -1 16:03:39 -1 16:03:39 -1 16:03:39 -1 16:03:40 -1 16:03:40 -1 16:03:41 -1 16:03:43 -1 16:03:43 -1 16:03:47 0 16:03:51 Appearance 16:03:55 -1 16:03:55 -1 16:03:55 -1 16:03:56 -1 16:03:56 -1 16:03:56 -1 16:03:56 0 16:03:56 -1 16:03:56 -1 16:03:57 -1 16:03:57 -1 16:03:57 -1 16:03:57 -1 16:03:59 -1 16:04:04 -1 16:04:25 Identifiable 16:04:27 0 16:04:27 +1 16:04:29 -1 16:04:29 0 16:04:31 -1 16:04:31 -1 16:04:31 0 16:04:31 0 16:04:33 0 16:04:34 0 16:04:35 0 16:04:35 0 16:04:35 0 16:04:37 0/+1...? 16:05:04 pgroth: just a straw poll, but gives good indication 16:05:18 -khalidbelhajjame 16:05:19 -Yogesh 16:05:19 - +1.512.524.aakk 16:05:20 - +1.518.276.aaii 16:05:21 - +1.518.276.aahh 16:05:21 rrsagent, set log public 16:05:22 -dgarijo 16:05:24 -Luc 16:05:26 -jcheney 16:05:28 -??P68 16:05:30 rrsagent, draft minutes 16:05:30 I have made the request to generate http://www.w3.org/2011/07/28-prov-minutes.html pgroth 16:05:30 -SamCoppens 16:05:32 -GK 16:05:35 trackbot, end telcon 16:05:35 Zakim, list attendees 16:05:36 RRSAgent, please draft minutes 16:05:36 I have made the request to generate http://www.w3.org/2011/07/28-prov-minutes.html trackbot 16:05:36 -MacTed 16:05:37 RRSAgent, bye 16:05:37 I see no action items 16:05:38 -??P17