15:56:47 RRSAgent has joined #prov 15:56:47 logging to http://www.w3.org/2012/03/08-prov-irc 15:56:49 RRSAgent, make logs world 15:56:49 Zakim has joined #prov 15:56:51 Zakim, this will be 15:56:52 Meeting: Provenance Working Group Teleconference 15:56:52 Date: 08 March 2012 15:56:53 Zakim, this will be PROV 15:56:53 I don't understand 'this will be', trackbot 15:56:56 ok, pgroth, I see SW_(PROV)11:00AM already started 15:57:05 Agenda: http://www.w3.org/2011/prov/wiki/Meetings:Telecon2012.03.08 15:57:11 Chair: Paul Groth 15:57:25 Mike has joined #prov 15:57:27 Scribe: Paolo Missier 15:57:33 rrsagent, make logs public 15:57:51 + +1.443.212.aaaa 15:58:16 Curt has joined #prov 15:58:31 paolo has joined #prov 15:59:33 GK has joined #prov 16:00:13 +??P9 16:00:34 khalidbelhajjame has joined #prov 16:00:40 +Curt_Tilmes 16:00:52 +??P26 16:01:07 Zakim, ??p26 is me 16:01:07 +GK; got it 16:01:13 tlebo has joined #prov 16:01:22 + +1.315.330.aabb 16:01:31 zakim, I am aabb 16:01:31 +tlebo; got it 16:01:41 +[IPcaller.a] 16:02:00 satya has joined #prov 16:02:07 zakim, [IPcaller.a] is me 16:02:20 +khalidbelhajjame; got it 16:02:26 +sandro 16:02:54 jun has joined #prov 16:03:18 stephenc has joined #prov 16:03:19 topic: Admin 16:03:29 Minutes of the Feb 23 2012 Telecon: http://www.w3.org/2011/prov/meeting/2012-03-01 16:03:42 +1 16:03:43 +1 16:03:44 +1 16:03:48 +1 16:03:49 +1 16:03:50 +1 16:03:55 +Satya_Sahoo 16:04:10 +??P27 16:04:17 +1 16:04:22 zakim, ??P27 is me 16:04:22 +jun; got it 16:04:39 Accepted Minutes of the Feb 23 2012 Telecon: http://www.w3.org/2011/prov/meeting/2012-03-01 16:04:46 Zakim, who is on the call? 16:04:46 On the phone I see ??P21, [IPcaller], Luc, +1.443.212.aaaa, ??P9, Curt_Tilmes, GK, tlebo, khalidbelhajjame, sandro, Satya_Sahoo, jun 16:04:56 http://www.w3.org/2011/prov/track/actions/open 16:05:27 +[IPcaller.a] 16:05:36 jcheney has joined #prov 16:05:42 +??P34 16:05:50 zakim, ??p34 is me 16:05:50 +jcheney; got it 16:05:53 k action can be closed 16:06:06 @paul I guess we'll talk about updating PROV-AQ - I've been focusing my limited efforts this week on reviewing DM updates 16:06:13 daniel's action can be closed 16:06:28 +[IPcaller.aa] 16:06:39 christine has joined #prov 16:06:47 SamCoppens has joined #prov 16:06:55 smiles has joined #prov 16:07:28 topic: F2F3 16:07:29 Mar !!???? I have Mar 15 and 22 16:08:09 Please fill poll https://www.w3.org/2002/09/wbs/46974/f2f3/ 16:08:14 June 22 - 23 16:08:16 pgroth: co-locate with IPAW. should be in US anyways 16:08:26 +??P14 16:08:53 q? 16:09:03 Zakim, ??P14 is me 16:09:03 +dgarijo; got it 16:09:08 q? 16:09:16 topic: Prov-o 16:09:20 That meeting date is Friday and saturday, right? 16:09:24 yes 16:09:24 http://www.w3.org/2011/prov/wiki/Meetings:Telecon2012.03.08#PROV-O 16:09:44 Zakim, who is on the call? 16:09:44 On the phone I see ??P21, [IPcaller], Luc, +1.443.212.aaaa, ??P9, Curt_Tilmes, GK, tlebo, khalidbelhajjame, sandro, Satya_Sahoo, jun, [IPcaller.a], jcheney, [IPcaller.aa], dgarijo 16:09:48 Sorry to be late. Yes, I've finished my aciton, along with Tim and Mike. 16:09:51 Zakim, ??P21 is me 16:09:51 +pgroth; got it 16:09:59 tlebo: owl: processing issues, created new product just for HTML in the tracker 16:10:28 tlebo: changes occurred to OWL onto over the week. free to review 16:10:43 tlebo: changes to OWL have corresp. changes to the RDF pages 16:10:59 tlebo: new comparisons to the coverage overview page available 16:11:23 tlebo: HTML side: new product in tracker. Jun + Khalid presented a proposal for new doc structure 16:11:35 q? 16:11:38 tlebo: well received during the monday call. 16:11:54 tlebo: journalism example shown, sketch of diagram 16:12:15 tlebo: onto visualization tool to help Khalid and Jun (Daniel?) 16:12:28 tlebo: new page creation mechanism available 16:12:39 tlebo: getting ready to review next iteration 16:12:53 q? 16:12:55 tlebo: will then assign specific sections of the doc 16:13:11 q+ to ask about html generation tool 16:13:17 pgroth: plan for deciding which automated gen tool to use? 16:13:23 q? 16:13:26 + +329331aacc 16:13:29 tlebo: will emerge from discussion of next iteration 16:13:38 ack Luc 16:13:39 Luc, you wanted to ask about html generation tool 16:13:45 I think that LODE was the most successful 16:14:19 Luc: how about printing requirement 16:14:20 q+ to say that we need to ensure that we follow the w3c rec format 16:14:28 tlebo: will be taken into account 16:14:38 (Doesn't mean one can't also have a browsable form :) 16:15:00 ack pgroth 16:15:00 pgroth, you wanted to say that we need to ensure that we follow the w3c rec format 16:15:10 You can browse the different tools at: http://www.w3.org/2011/prov/wiki/Generating_HTML_documentation_of_OWL#PROV-O_Views_in_the_previous_tools 16:15:15 pgroth: SW coord meeting says any format we use must be compatible with the W3C prescribed style guide 16:15:26 q? 16:15:33 tlebo: ok so far, on the todo list for the future 16:16:15 tlebo: simplification & alignment: propose to flatten part of the Involvement hierarchy 16:16:45 tlebo: proposal sent out on Tue. Khalid responded. Will be implemented shortly 16:16:50 q? 16:16:58 I don't object as long as we have the hierarchy on the properties. 16:17:26 pgroth: date for automated version? 16:17:43 tlebo: aggregation of all threads under review by Monday 16:17:44 q? 16:17:58 @tlebo: if you need some additional help, please tell me. 16:18:11 q? 16:18:17 tlebo: results on next iteration to be available by Tue or Wed 16:18:22 topic: prov-dm 16:18:33 http://www.w3.org/2011/prov/track/issues/274 16:19:10 Luc: all comments grouped last week (Luc and Paolo) as ISSUE-274 16:19:23 Luc: most resolved, rest noted in the current doc 16:19:50 Luc: WD4 work to be frozen so that next set of tech issues can be tackled 16:19:55 +??P64 16:20:16 Luc: important for PROV-o and other "serialisers" to have a frozen PROV-DM 16:20:25 q? 16:20:25 Luc: feedback solicited 16:20:31 zednik has joined #prov 16:21:05 I reviewed DM4 today (up to about middle of section 4); much improved over previous but still some issues - happy to see these considered for DM5. 16:21:19 (Just sent comments to list) 16:21:21 Luc: no response from Tim, but know he's been looking into WD4 for PROV-O. ok to move on? 16:21:41 q? 16:21:45 tlebo: sec. II and III missed so far, but will go with group's decision to Freeze 16:22:32 q? 16:22:33 GK: current comments sent to list supersede previous ones 16:22:35 q+ 16:23:19 ack pgroth 16:23:28 pgroth: happy to freeze, but does that entail updating the RDF if any signatures have changed? 16:24:37 tlebo: discrepancies are automatically detected -- thanks to changes in the PROV-DM markup 16:25:04 http://dvcs.w3.org/hg/prov/raw-file/default/model/working-copy/wd5-prov-dm-derivation.html 16:25:39 Luc: WD4 text on derivation is still the same as WD3. but needs simplification. Link above is a proposal 16:25:43 +[IPcaller.aaa] 16:26:16 Luc: reviewed by Simon and others. Recent comments from GK and Curt taken into account 16:26:19 New text is big improvement. I still have some issues with content but happy to see new text as basis of ongoing comments. 16:26:50 Luc: seeking WG approval to incorporate into the editor's draft. and should it go into WD4 or WD5 16:26:51 q? 16:27:02 stainPhone has joined #prov 16:27:22 GK: still some issues, but big improvement. can go forward for discussion 16:27:32 MacTed has joined #prov 16:28:20 Curt: agree that changes look good. some workflows may have requirements that match the current proposal 16:28:42 Luc: where is this explained? DM part I or primer? seeking advice 16:28:46 q+ to say I think there's scope for simplifying here 16:29:17 ack GK 16:29:17 GK, you wanted to say I think there's scope for simplifying here 16:29:25 Curt: suggest to use derivation simply, not tied into the roles and not tied back to gen/usage. These details may not go in part I 16:29:49 q+ 16:30:01 ack Luc 16:30:11 GK: the entity-entity derivation can be accomplished by introducing an activity. 16:30:45 q? 16:30:56 we have time :-) 16:31:00 Luc: but activities may be unknown, and also may not be known how "source" entities contributed, so a link into the derivation record is needed 16:31:01 q+ could attributes be used to tie that? 16:31:02 q+ 16:31:12 q? 16:31:15 GK: not sure -- to be discussed further 16:31:26 q- 16:31:41 q+ to ask if WD4 vs WD5 is on the table for derivation's definition 16:31:53 q+ 16:31:55 Curt: can't role be used 16:32:13 ack tlebo 16:32:13 tlebo, you wanted to ask if WD4 vs WD5 is on the table for derivation's definition 16:32:20 Luc: roles in this case superseded by instances of usage/gen -- so need to be able to refer to those 16:32:39 tlebo: should new defs go in WD4 or WD5 16:32:54 q+ to ask if "usage" and "generation" are events? (happy to discuss in email if we're moving on) 16:33:06 pgroth: suggest WD4 as it simplifies work on PROV-O, gives it only one derivation to work with 16:33:19 q? 16:33:23 tlebo: agree 16:33:29 q- 16:33:33 ack pgroth 16:33:50 @tlebo +1 16:34:02 q? 16:34:10 q? 16:34:24 ack GK 16:34:24 GK, you wanted to ask if "usage" and "generation" are events? (happy to discuss in email if we're moving on) 16:34:25 GK: please continue discussion on the list. still some confusion 16:34:27 To incorporate the proposal on derivation in the current editor's draft (WD4) 16:34:36 PROPOSED: To incorporate the proposal on derivation in the current editor's draft (WD4) 16:34:36 yes, how cam tou talk anput usage without the using activity? 16:34:51 +1 16:34:52 +1 16:34:53 +1 16:34:53 +1 16:34:55 +1 16:34:57 +1 16:34:57 +1 16:34:57 +1 16:34:58 +1 16:34:58 +1 16:34:58 +1 16:35:03 +1 16:35:11 Accepted: To incorporate the proposal on derivation in the current editor's draft (WD4) 16:35:39 I think freezing an editors draft is editor's call 16:36:03 Luc: incorporate proposal for derivation in WD4, then freeze WD4. fixed URL for internal use only 16:36:06 q? 16:36:36 q+ 16:36:37 q+ 16:36:49 so wd4 will not be published? or later w/provo wd2 etc? 16:36:53 PROV-N 16:36:55 Luc: can we find a name for the ASN? 16:36:56 ISSUE 273 16:37:13 q? 16:37:14 something non-abstract! ;) 16:37:20 ack Luc 16:37:43 q- 16:37:57 PROV-N +1 16:37:58 http://www.w3.org/2011/prov/track/issues/273 16:38:03 PROV-N +1 16:38:04 proposals so far: PROV-N and "functional notation" 16:38:11 PROV-N +1 16:38:13 I'm OK with PROV-N. "functional notation" by analogy with OWL 16:38:21 PROV-0, PROV-DM, PROV-AQ, PROV-Primer 16:38:25 PROV-N +1 16:38:43 PROV-N 16:38:43 (But I'd prefer it as an appendix in part 1) 16:38:50 PROV-N +1 16:39:08 PROV-N +1 16:39:12 +0.5 (don't care too much) 16:39:13 yep I just voted :-) 16:39:14 PROV-N +1 16:39:20 +1 16:39:33 Consensus, to change PROV-ASN to PROV-N in WD4 16:39:47 I think most important thing is to update references in the text 16:39:48 Accepted: to change PROV-ASN to PROV-N in WD4 16:39:57 q+ 16:40:07 ace paolo 16:40:10 ack paolo 16:40:11 q+ 16:40:14 ack GK 16:40:49 I'll have to leave 16:41:20 Agree: discuss for understanding 16:41:29 -jun 16:41:32 +??P5 16:41:46 - +1.443.212.aaaa 16:41:48 Paolo_ has joined #prov 16:41:52 (back) 16:42:18 GK: why is not being able to infer activity an issue in derivation? 16:42:27 Luc: (a) reproducibility 16:42:33 (b) analysis of traces 16:42:37 Luc: issue with analysis with provenance traces 16:42:43 (I can resume GK, thanks) 16:43:02 Zakim, who's load? 16:43:02 I don't understand your question, pgroth. 16:43:05 Luc: type of activity important for reproducibility and analysis 16:43:07 -sandro 16:43:09 Zakim, who's loud? 16:43:09 I don't understand your question, pgroth. 16:43:20 zakim, who is making noise? 16:43:31 tlebo, listening for 10 seconds I could not identify any sounds 16:43:58 Luc: details about input bindings into a procedure are only known from the usage records associated with the derivation 16:44:15 but it is OK for a to be derived from b, generated by x, without x using b, right? 16:44:52 Luc: practical POV: a given activity may use same entity multiple times, with different roles 16:45:24 or is (equivalent of) inprecise-n out now? 16:45:33 Luc: formal POV: in the context of OPM there is a need to kow which activity is associated with each derivation, roles allow for some completeness results 16:46:05 @GK, agree - derivation is not for incorporating activity information 16:46:06 q+ 16:46:10 q? 16:46:22 GK: explicit activity expression already allowed this. This E-E derivation useful when that's not available? 16:46:23 I understand there;'s a need to express this information, but I thought it was possible through explicit activity/event expressions; entity-entity is for when less info is available? 16:46:58 Usage + Generation does not always allow inferring Derivation 16:47:07 Luc: activities are not just function calls, entities can be consumed at any time -- usage does not imply derivation 16:47:09 q? 16:47:14 ack satya 16:47:16 q+ 16:47:28 Ah: usage + generation !=> derivation - forgot that. 16:47:51 satya: why should usage/generation/roles be brought into a derivation record? 16:48:04 satya: we are not trying to make inferences using derivation 16:48:26 Stian not hearing you 16:48:29 We didn't hear you Stian 16:48:51 stian: (hard to hear) 16:48:53 ok 16:48:57 Still breaking Stian 16:48:59 is it this: but it is OK for a to be derived from b, generated by x, without x using b, right? 16:49:01 ill type, go ahead 16:49:11 (I missed it) 16:49:11 tlebo, right 16:50:14 Luc: @stian example is correct 16:50:30 You could even have e2 derived from e1 in two different ways (two usage roles, if you will) within the same activity 16:50:32 Khalid: essentially used imprecise_n derivation 16:50:45 that makes srnse. but then you cant refer to those usages and generations? 16:50:59 q+ 16:51:05 ack stainPhone 16:51:06 GK: is there a use case that requires this form of derivation? possibly can be rephrased in terms of the simpler use 16:51:25 -[IPcaller.aaa] 16:51:38 Luc: proposal does not involve embedding a generation / usage record into the derivation. just a reference to those records 16:51:40 @gk, I share your "orthogonalizatiaon" interest, but I view the current definition as a nice way of unifying the (otherwise isoloated) constructs. 16:51:58 -??P5 16:52:14 +??P3 16:52:18 divison 16:52:30 zakim, ??P3 is me 16:52:30 +Paolo_; got it 16:52:43 Luc: will put an example in the repo for discussion 16:52:44 q? 16:52:46 (I would like to see a use-case that *requires* the complex form of derivation.) 16:53:32 if wasDerivedFrom(a,b) wasGenBy(a,x) used(b,x) then you are not guarantee that a was derived through that usage of b 16:53:52 q? 16:53:55 ack pgroth 16:53:59 OK, if it's useful, then maybe it can be descrtibed as a syntactic sugaring? 16:54:32 pgroth: possibly more than syntactic sugar? 16:54:36 q? 16:54:39 @Stian: yes agree 16:54:40 Thanks for letting us air the topic. 16:54:41 GK: hopefully the example will reveal that 16:54:52 -Satya_Sahoo 16:54:53 -tlebo 16:54:54 -[IPcaller.a] 16:54:55 -Luc 16:54:56 -dgarijo 16:54:56 -khalidbelhajjame 16:54:57 -Curt_Tilmes 16:54:58 -[IPcaller.aa] 16:54:59 -jcheney 16:55:01 -GK 16:55:04 -??P64 16:55:10 - +329331aacc 16:55:11 imagine used(bZip,x) wasGenBy(bZip, y) used(b,y) 16:55:16 -Paolo_ 16:55:17 -[IPcaller] 16:55:17 -??P9 16:55:33 rrsagent, set log public 16:55:38 rrsagent, draft minutes 16:55:38 I have made the request to generate http://www.w3.org/2012/03/08-prov-minutes.html pgroth 16:55:43 trackbot, end telecon 16:55:43 Zakim, list attendees 16:55:43 As of this point the attendees have been [IPcaller], Luc, +1.443.212.aaaa, Curt_Tilmes, GK, +1.315.330.aabb, tlebo, khalidbelhajjame, sandro, Satya_Sahoo, jun, jcheney, dgarijo, 16:55:46 ... pgroth, +329331aacc, Paolo_ 16:55:51 RRSAgent, please draft minutes 16:55:51 I have made the request to generate http://www.w3.org/2012/03/08-prov-minutes.html trackbot 16:55:52 RRSAgent, bye 16:55:52 I see no action items