IRC log of prov on 2011-06-23
Timestamps are in UTC.
- 14:47:14 [RRSAgent]
- RRSAgent has joined #prov
- 14:47:14 [RRSAgent]
- logging to http://www.w3.org/2011/06/23-prov-irc
- 14:47:16 [trackbot]
- RRSAgent, make logs world
- 14:47:16 [Zakim]
- Zakim has joined #prov
- 14:47:18 [trackbot]
- Zakim, this will be
- 14:47:19 [trackbot]
- Meeting: Provenance Working Group Teleconference
- 14:47:19 [trackbot]
- Date: 23 June 2011
- 14:47:19 [Zakim]
- I don't understand 'this will be', trackbot
- 14:47:59 [pgroth]
- Zakim, list conferences
- 14:47:59 [Zakim]
- I see SW_RDFa()10:00AM, UW_POI(POIWG)10:00AM, Team_Comm()10:30AM active
- 14:48:01 [Zakim]
- also scheduled at this time are INC_LLDXG()10:00AM, INC_(DecisionXG)10:00AM, Team_Global(review)8:00AM, SW_HCLS()11:00AM, WAI_PFWG(HTML TF)11:00AM, XML_PMWG()10:00AM,
- 14:48:05 [Zakim]
- ... WAI_RDWG()11:00AM, VB_VBWG(CCXML)11:00AM, Team_(test)14:20Z, Styl_XSL-FO-()11:00AM, Math_IG()10:00AM, Team_(audio-webrtc)14:00Z, MM_MMI(EMMA)10:00AM, SW_(PROV)11:00AM,
- 14:48:08 [Zakim]
- ... SW_HCLS(TMO)11:00AM, WF_TF()9:00AM, WAI_PFWG(AAPI)10:00AM, I18N_WG(MLW)11:00AM
- 14:48:34 [pgroth]
- Zakim, this is SW_(PROV)
- 14:48:34 [Zakim]
- pgroth, I see SW_(PROV)11:00AM in the schedule but not yet started. Perhaps you mean "this will be SW_(PROV)".
- 14:48:49 [pgroth]
- Zakim, this will be SW_(PROV)
- 14:48:49 [Zakim]
- ok, pgroth; I see SW_(PROV)11:00AM scheduled to start in 12 minutes
- 14:49:47 [Zakim]
- SW_(PROV)11:00AM has now started
- 14:49:53 [Zakim]
- +??P2
- 14:50:03 [jorn]
- Zakim, ??p2 is me
- 14:50:03 [Zakim]
- +jorn; got it
- 14:50:15 [pgroth]
- Chair: pgroth
- 14:50:59 [Zakim]
- + +1.312.348.aaaa
- 14:51:12 [pgroth]
- Zakim, who is on the phone?
- 14:51:12 [Zakim]
- On the phone I see jorn, +1.312.348.aaaa
- 14:52:24 [pgroth]
- +1.312.348.aaaa is me
- 14:52:44 [Zakim]
- - +1.312.348.aaaa
- 14:53:02 [jorn]
- Zakim, aaaa is pgroth
- 14:53:02 [Zakim]
- sorry, jorn, I do not recognize a party named 'aaaa'
- 14:53:13 [Zakim]
- +??P3
- 14:53:22 [pgroth]
- Zakim, ??P3 is me
- 14:53:22 [Zakim]
- +pgroth; got it
- 14:53:39 [pgroth]
- Scribe: Satya Sahoo
- 14:55:13 [Paolo]
- Paolo has joined #prov
- 14:56:26 [GK]
- GK has joined #prov
- 14:57:36 [Yogesh]
- Yogesh has joined #prov
- 14:58:04 [zednik]
- zednik has joined #prov
- 14:58:33 [Zakim]
- + +1.213.290.aabb
- 14:58:42 [Zakim]
- +??P4
- 14:58:47 [JimM]
- JimM has joined #prov
- 14:58:48 [stain]
- Zakim: +??P4 is me
- 14:59:01 [Zakim]
- +??P0
- 14:59:02 [Yogesh]
- zakim, +1.213 is me
- 14:59:02 [Zakim]
- +Yogesh; got it
- 14:59:06 [jorn]
- zakim, ??p4 is stain
- 14:59:06 [Zakim]
- +stain; got it
- 14:59:25 [GK]
- zakim, ??p0 is me
- 14:59:25 [Zakim]
- +GK; got it
- 14:59:26 [Zakim]
- + +1.518.276.aacc
- 14:59:36 [Zakim]
- + +1.832.386.aadd
- 14:59:46 [Zakim]
- + +1.518.633.aaee
- 14:59:53 [Zakim]
- + +1.509.375.aaff
- 14:59:58 [Lena]
- Lena has joined #prov
- 15:00:05 [JimM]
- zakim, +1.518 is me
- 15:00:05 [Zakim]
- sorry, JimM, I do not recognize a party named '+1.518'
- 15:00:28 [JimM]
- zakim, +1.518.276.aacc is me
- 15:00:28 [Zakim]
- +JimM; got it
- 15:00:33 [stain]
- I can't find http://www.w3.org/2011/prov/meeting/2011-16-06 as linked to in the agenda
- 15:00:47 [Zakim]
- +??P10
- 15:00:51 [StephenCresswell]
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- 15:00:57 [dgarijo]
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- 15:00:59 [pgroth]
- http://www.w3.org/2011/prov/wiki/Meetings:Telecon2011.06.23
- 15:00:59 [Zakim]
- +??P11
- 15:01:09 [tfrancart]
- tfrancart has joined #prov
- 15:01:15 [pgroth]
- stain, you're right
- 15:01:29 [Zakim]
- +??P12
- 15:01:29 [pgroth]
- Sandro, can you check
- 15:01:46 [Zakim]
- +??P13
- 15:01:59 [dgarijo]
- Zakim, ??P13 is me
- 15:01:59 [Zakim]
- +dgarijo; got it
- 15:02:00 [Paolo]
- zakim, ??P12 is me
- 15:02:00 [Zakim]
- +Paolo; got it
- 15:02:05 [pgroth]
- here are the minutes from last week http://www.w3.org/2011/prov/meeting/2011-06-16
- 15:02:07 [jorn]
- http://www.w3.org/2011/prov/meeting/2011-06-16
- 15:02:09 [GK]
- Previous minutes link in agenda at http://www.w3.org/2011/prov/wiki/Meetings:Telecon2011.06.23 seems to be broken...
- 15:02:42 [stain]
- GK: it was just magically fixed
- 15:02:44 [SamCoppens]
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- 15:02:59 [Zakim]
- - +1.509.375.aaff
- 15:03:04 [Zakim]
- +??P15
- 15:03:04 [stain]
- where's our Luc!
- 15:03:20 [stain]
- oh wait, it's pgroth chairing today
- 15:03:33 [jorn]
- zakim, who is speaking?
- 15:03:39 [pgroth]
- Regrets: Luc Moreau
- 15:03:42 [Paolo]
- very noisy. can't hear a thing
- 15:03:44 [jorn]
- zakim, who is noisy?
- 15:03:45 [Zakim]
- jorn, listening for 10 seconds I could not identify any sounds
- 15:03:55 [Zakim]
- jorn, listening for 10 seconds I heard sound from the following: GK (73%), Yogesh (31%)
- 15:04:01 [smiles]
- smiles has joined #prov
- 15:04:07 [Zakim]
- + +1.509.375.aagg
- 15:04:15 [Zakim]
- +[IPcaller]
- 15:04:32 [satya]
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- 15:04:45 [jcheney]
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- 15:04:46 [Paolo]
- can the people who are typing please mute themselves
- 15:04:46 [GK]
- @stain Yeah... by the time I got there with a fix it was fixed
- 15:04:59 [stain]
- Zakim: whois noisy?
- 15:05:01 [Zakim]
- + +1.216.368.aahh
- 15:05:04 [dgarijo]
- satya, are you in the call yet?
- 15:05:07 [stain]
- Zakim: who is noisy?
- 15:05:10 [jorn]
- zakim, who is noisy?
- 15:05:17 [dcorsar]
- dcorsar has joined #prov
- 15:05:21 [Zakim]
- jorn, listening for 10 seconds I heard sound from the following: GK (33%), Yogesh (34%), pgroth (16%), +1.832.386.aadd (9%), +1.509.375.aagg (16%), +1.216.368.aahh (42%)
- 15:05:23 [dgarijo]
- :)
- 15:05:27 [Zakim]
- +Yolanda
- 15:05:46 [pgroth]
- PROPOSED to accept the minutes of 16 Jun telecon
- 15:05:51 [dgarijo]
- there is a lot of noise ...
- 15:05:52 [Yogesh]
- zakim, mute Yogesh
- 15:05:52 [Zakim]
- Yogesh should now be muted
- 15:06:08 [pgroth]
- http://www.w3.org/2011/prov/meeting/2011-06-16
- 15:06:13 [Zakim]
- +??P28
- 15:06:18 [dgarijo]
- +1
- 15:06:20 [Yogesh]
- +1
- 15:06:21 [zednik]
- +1
- 15:06:21 [smiles]
- +1
- 15:06:23 [dcorsar]
- +1
- 15:06:28 [SamCoppens]
- +1
- 15:06:30 [Paolo]
- (I was not there)
- 15:06:31 [StephenCresswell]
- +1
- 15:06:32 [tfrancart]
- +1
- 15:06:34 [JimM]
- +1
- 15:06:37 [stain]
- +1
- 15:06:40 [jorn]
- +1
- 15:06:45 [pgroth]
- Zakim, who is noisy?
- 15:06:52 [YolandaGil]
- YolandaGil has joined #prov
- 15:06:56 [Zakim]
- pgroth, listening for 10 seconds I heard sound from the following: +1.832.386.aadd (37%)
- 15:07:13 [satya]
- Paul:Minutes of Jun 16 meeting approved
- 15:07:16 [pgroth]
- http://www.w3.org/2011/prov/track/actions/open
- 15:07:30 [Zakim]
- -Paolo
- 15:08:06 [satya]
- Paul: Scribes needed for next week's telcon, please volunteer
- 15:08:43 [satya]
- Paul: Update on the connection task force for the first F2F
- 15:08:47 [Zakim]
- +??P12
- 15:08:48 [edoardo]
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- 15:08:58 [pgroth]
- http://www.w3.org/2011/prov/wiki/F2F1_Connection_Proposal
- 15:08:59 [Zakim]
- +??P29
- 15:09:00 [Paolo]
- zakim, ??P12 is me
- 15:09:00 [Zakim]
- +Paolo; got it
- 15:09:10 [jcheney]
- zakim, ??P29 is me
- 15:09:10 [Zakim]
- +jcheney; got it
- 15:09:23 [pgroth]
- catalog: http://www.w3.org/2011/prov/wiki/Connections_Template_Catalog
- 15:09:44 [satya]
- Kai: Feedback invited for the catalogs created by the connection task force
- 15:09:51 [kai]
- kai has joined #prov
- 15:09:55 [pgroth]
- Kai = Eric
- 15:09:58 [pgroth]
- Erik
- 15:10:21 [Zakim]
- +??P31
- 15:10:29 [Zakim]
- -stain
- 15:10:36 [stain]
- Zakim: +??P31 is me
- 15:10:41 [Zakim]
- +kai
- 15:10:44 [pgroth]
- Implementation and Test Cases TF Plan to F2F1
- 15:10:47 [satya]
- Paul: Update on the implementation and test task force
- 15:11:03 [Lena]
- https://spreadsheets.google.com/spreadsheet/viewform?hl=en_US&formkey=dEp1OVg2REdmLWpSbTlRYks1OFZURVE6MQ#gid=0
- 15:11:26 [satya]
- Lena: Created forms to elicit feedback from provenance users and stakeholders
- 15:12:15 [satya]
- Lena: Forms will be used to understand needs of provenance users
- 15:12:19 [jcheney]
- +q
- 15:12:41 [iker]
- iker has joined #prov
- 15:12:45 [pgroth]
- ack jcheney
- 15:13:12 [jcheney]
- http://www.usenix.org/events/tapp11/tech/final_files/Donaldson.pdf
- 15:13:18 [jcheney]
- q-
- 15:13:33 [satya]
- James: Attended a workshop describing users requirements for provenance use in computing trust
- 15:14:01 [Paolo]
- the paper James just referred to: http://www.ics.forth.gr/~gregkar/tapp/papers/Day%202%20-%20Session%205%20-%20Do%20people%20want%20provenance%20and%20are%20they%20prepared%20to%20pay%20for%20it/Provenance,%20End-User%20Trust%20and%20Reuse%20An%20Empirical%20Investigation%20-%20Donaldson%20et.al.pdf
- 15:14:06 [satya]
- Paul: Update on the Access and Query task force
- 15:14:15 [Paolo]
- (I think!)
- 15:15:06 [satya]
- Simon: Several proposals and still no agreement on any one of them
- 15:15:45 [dgarijo]
- http://www.w3.org/2011/prov/wiki/F2F1_Access_and_Query_Proposal
- 15:15:50 [Yogesh]
- q+
- 15:15:55 [Yogesh]
- zakim, unmute me
- 15:15:55 [Zakim]
- Yogesh should no longer be muted
- 15:16:08 [satya]
- Simon: Curate the draft for the F2F and create a concrete set of points for further discussion
- 15:16:48 [Yogesh]
- zakim, mute me
- 15:16:48 [Zakim]
- Yogesh should now be muted
- 15:17:46 [GK]
- (My comment: not *necessarily* a separate service. SImple case is just use URI for provemamce)
- 15:18:12 [satya]
- Yogesh: Scope for provenance access service needs to be defined
- 15:19:05 [satya]
- Simon: Close to consensus on the technical points in the draft, but there are still some outstanding issues to be resolved
- 15:19:36 [dgarijo]
- +q
- 15:19:43 [pgroth]
- ack Yogesh
- 15:19:44 [Zakim]
- -jorn
- 15:19:53 [Paolo]
- q?
- 15:19:53 [stain]
- find a set of agreed principles
- 15:20:00 [Zakim]
- +??P2
- 15:20:03 [Yogesh]
- zakim, mute me
- 15:20:03 [Zakim]
- Yogesh should now be muted
- 15:20:06 [jorn]
- zakim, ??p2 is me
- 15:20:06 [Zakim]
- +jorn; got it
- 15:20:43 [pgroth]
- ACTION Simon to create a proposal for a set of points of consensus
- 15:20:43 [trackbot]
- Sorry, amibiguous username (more than one match) - Simon
- 15:20:43 [trackbot]
- Try using a different identifier, such as family name or username (eg. smiles, sdobson2)
- 15:20:44 [satya]
- Simon: Additional points can be added to the access and query task force draft for discussion in the F2F
- 15:20:58 [pgroth]
- ACTION smiles to create a proposal for a set of points of consensus
- 15:20:59 [trackbot]
- Created ACTION-12 - Create a proposal for a set of points of consensus [on Simon Miles - due 2011-06-30].
- 15:21:13 [Yogesh]
- q+
- 15:22:06 [satya]
- Daniel: Will the issues related to provenance from multiple sources (?) be discussed in the F2F?
- 15:22:07 [dgarijo]
- -q
- 15:22:07 [stain]
- I guess those are the kind of thing we'll have to extract as general principles
- 15:22:22 [GK]
- q+ to suggest first nailing down points about which consensus is easy - then move on
- 15:22:37 [Yogesh]
- zakim, unmute me
- 15:22:37 [Zakim]
- Yogesh should no longer be muted
- 15:23:38 [dgarijo]
- @satya I meant multiple sources describing the provenance of a resource.
- 15:23:41 [Yogesh]
- zakim, mute me
- 15:23:41 [Zakim]
- Yogesh should now be muted
- 15:23:43 [pgroth]
- ack Yogesh
- 15:23:54 [Yogesh]
- zakim, mute me
- 15:23:54 [Zakim]
- Yogesh should now be muted
- 15:23:58 [Paolo]
- @satya who is reporting on the Model TF?
- 15:24:03 [pgroth]
- ack GK
- 15:24:03 [Zakim]
- GK, you wanted to suggest first nailing down points about which consensus is easy - then move on
- 15:24:19 [satya]
- GK: Contentious points can be deferred
- 15:24:37 [satya]
- @Daniel: thanks for clarifying
- 15:25:24 [satya]
- Simon: Prioritize issues that can be discussed and resolved in the F2F
- 15:26:10 [satya]
- Paul: Update on Model task force
- 15:26:33 [dgarijo]
- @Paul=Paolo
- 15:26:40 [satya]
- Paolo: Three step plan, (a) cleaning up the provenance concept definitions
- 15:27:02 [dgarijo]
- ips
- 15:27:14 [satya]
- Paolo: Conference call tomorrow to discuss the F2F draft
- 15:27:35 [satya]
- Paolo: (b) Create draft by end of June
- 15:27:57 [satya]
- Paolo: (c) Put the draft for discussion during F2F
- 15:28:48 [satya]
- Paul: Definitions derived from CS will make it more complex
- 15:28:51 [JimM]
- +q
- 15:29:17 [satya]
- Paolo: We can use existing modeling work to define the provenance terms
- 15:29:56 [satya]
- Paolo: There are inconsistencies in the provenance concept terms
- 15:31:02 [satya]
- Jim: The definitions are consistent but specific parameters associated with terms are not very clear (?)
- 15:31:04 [smiles]
- q+
- 15:31:28 [JimM]
- -q
- 15:32:04 [satya]
- Paolo: Will try to reconcile the different descriptions
- 15:32:41 [satya]
- Paul: Agreed to derive common sense definitions
- 15:33:13 [satya]
- Paul: Agreed on the definition of "thing"
- 15:33:36 [satya]
- q+
- 15:34:07 [satya]
- Paolo: Tomorrow's Model task force telcon can help in reconciling the different definitions
- 15:34:59 [satya]
- Simon: The primer of the WG will help users to understand the provenance concept definitions
- 15:35:41 [stain]
- @paolo +10
- 15:35:49 [smiles]
- q-
- 15:36:52 [satya]
- q-
- 15:37:01 [GK]
- q+ to note a common WG principle is that consensus can be reviewed *iff* there is new information.
- 15:37:58 [satya]
- Paul: We need to move forward after a consensus is reached
- 15:38:08 [stain]
- .. almost like a court case
- 15:38:58 [GK]
- q-
- 15:39:38 [satya]
- Paolo: Model task force participants will be present at F2F
- 15:40:52 [Paolo]
- @satya: agree
- 15:41:26 [Zakim]
- + +1.315.330.aaii
- 15:41:37 [tlebo]
- tlebo has joined #prov
- 15:41:40 [satya]
- Paul: Discussion on temporal properties
- 15:41:50 [pgroth]
- Temporal Property: Thing proposed Creation time of a thing precedes any of its use times
- 15:42:15 [stain]
- +1
- 15:42:16 [jcheney]
- +1
- 15:42:20 [tfrancart]
- +1
- 15:42:21 [GK]
- 0
- 15:42:22 [satya]
- Paul: Should we discuss about temporal properties now?
- 15:42:27 [dgarijo]
- +1
- 15:42:29 [Paolo]
- -1 : none seems controversial to me
- 15:42:29 [satya]
- 0
- 15:42:30 [Lena]
- 0
- 15:42:31 [JimM]
- 0
- 15:42:32 [iker]
- +1
- 15:42:33 [zednik]
- 0
- 15:42:35 [Yogesh]
- 0
- 15:42:41 [dcorsar]
- 0
- 15:42:44 [smiles]
- 0
- 15:42:50 [kai]
- 0
- 15:42:55 [tlebo]
- 0
- 15:43:39 [pgroth]
- Proposed: Creation time of a thing precedes any of its use times
- 15:43:51 [zednik]
- q+
- 15:43:52 [stain]
- -1
- 15:43:53 [stain]
- q+
- 15:44:03 [satya]
- Paul: Agreement over the proposed definition?
- 15:44:21 [Paolo]
- q+
- 15:44:31 [smiles]
- q+
- 15:44:37 [Zakim]
- -jcheney
- 15:44:47 [tlebo]
- q+
- 15:45:10 [satya]
- Zednik: We should be careful about setting restrictions about measurement of the time associated with a thing
- 15:45:37 [Zakim]
- +??P29
- 15:45:37 [GK]
- Agree with not saying too much ... part of more general problem: do we assume provenance is always 100% correct?
- 15:45:43 [jcheney]
- zakim, ??P29 is me
- 15:45:43 [Zakim]
- +jcheney; got it
- 15:45:47 [satya]
- Stain: Agrees with stephan zednik
- 15:46:34 [satya]
- Stain and Paolo: Measurement of time especially in distributed systems may be problematic
- 15:46:44 [tlebo]
- q?
- 15:46:50 [zednik]
- q-
- 15:46:51 [pgroth]
- ack zednik
- 15:46:55 [pgroth]
- ack stain
- 15:46:59 [pgroth]
- acd Paolo
- 15:47:02 [pgroth]
- ack Paolo
- 15:47:05 [Paolo]
- @Stian: I can't believe you just brought relativity into the scope of provenance observations :-))
- 15:47:08 [pgroth]
- ack smiles
- 15:47:15 [tlebo]
- q-
- 15:47:18 [tlebo]
- q+ (for Paulo)
- 15:47:22 [Paolo]
- q?
- 15:47:23 [tlebo]
- q+
- 15:47:25 [satya]
- Simon: Agrees with past three speakers, seems to be unnecessary
- 15:47:33 [smiles]
- q-
- 15:47:37 [satya]
- simon: Discussing about this
- 15:47:39 [tlebo]
- q
- 15:47:43 [tlebo]
- q-
- 15:47:45 [stain]
- @Paolo - well - if you send a probe on a one-way mission to outer space provenance of its data might be quite important! :)
- 15:47:48 [tlebo]
- q?
- 15:48:06 [tlebo]
- q- (for Paulo)
- 15:48:08 [satya]
- Paulo: What kind of time is being discussed - when measurement was done or provenance was recorded
- 15:48:23 [dgarijo]
- @stain: that's a nice point.
- 15:48:50 [GK]
- @stian, @dgarijo +1
- 15:49:29 [satya]
- Paulo: We need to understand the context of the notion of time
- 15:49:31 [JimM]
- +q
- 15:49:55 [Zakim]
- -jorn
- 15:50:09 [GK]
- Ah, yes, pseudo-time?
- 15:50:26 [stain]
- @JimM - but what about compound accounts? Can you not combine provenances without sorting out the clocks?
- 15:50:32 [satya]
- Jim: Timestamp is associated with an OPM account
- 15:50:56 [smiles]
- yes
- 15:50:59 [stain]
- yes
- 15:50:59 [Paolo]
- @Paul: yes
- 15:51:00 [zednik]
- yes
- 15:51:03 [tlebo]
- no
- 15:51:06 [GK]
- q+ I think we *can* have provenance without time
- 15:51:08 [satya]
- Paul: Can we have discussion about provenance without discussing time
- 15:51:09 [Lena]
- yes
- 15:51:14 [GK]
- I think we *can* have provenance without time
- 15:51:15 [JimM]
- @stain: a judge would have to decide how to synchronize clocks
- 15:51:23 [JimM]
- -q
- 15:51:27 [stain]
- q+
- 15:51:29 [Zakim]
- +??P2
- 15:51:33 [satya]
- GK: We can have provenance time
- 15:51:33 [jorn]
- zakim, ??p2 is me
- 15:51:33 [Zakim]
- +jorn; got it
- 15:51:41 [dgarijo]
- I agree with GK. We can but for some domains it is necessary.
- 15:51:58 [JimM]
- yes - prov w/o time is OK, time is a nice annotation...useful evidence supporting provenance
- 15:52:00 [GK]
- @dgarijo, agreed.
- 15:52:09 [satya]
- Stian: Likes to have notion of profile
- 15:52:13 [satya]
- q+
- 15:52:16 [smiles]
- @stain completely agree
- 15:52:20 [pgroth]
- ack stain
- 15:52:24 [pgroth]
- ack satya
- 15:52:40 [stain]
- Stian: Also that you can have provenance without Time (Taverna workflow system has that in current OPM export - but the provenance still makes sense)
- 15:52:45 [Paolo]
- better say: as long as timestamps on events are not used for reasoning, that's fine
- 15:52:49 [tlebo]
- q+
- 15:53:20 [smiles]
- q+
- 15:53:22 [stain]
- and such a common order might not even exist
- 15:53:52 [JimM]
- would common order matter if there were no hidden dependencies?
- 15:53:57 [GK]
- Sometimes, you just don't know. If time info is available that that can help.
- 15:54:24 [satya]
- Tim: When two provenance accounts are being combined, we need to use time
- 15:54:24 [stain]
- @GK exactly.. it's very useful information - but might not have that luxury or it might be giving wrong indications
- 15:54:27 [Paolo]
- indeed you may not be able to synchronize different accounts that are obtained using different clocks
- 15:54:36 [stain]
- so you need provenance of the timestamps!
- 15:55:20 [Paolo]
- @Stian knowledge of which clocks you've used is not necessarily sufficient for this
- 15:55:56 [Zakim]
- -jcheney
- 15:56:00 [satya]
- @Stian: you need provenance of timestamps is your application requires it - it is not a universal requirement
- 15:56:22 [stain]
- say account1 is a probe orbiting the sun and reporting solar spots. Account2 is the same, but from a telescope at earth. If they also look at some astronomical event, they might not even going to agree on temporal ordering.
- 15:56:22 [GK]
- For me, this important/interesting thing about this discussion is how to reconcile conflicting provenance accounts; provenance for provenance may help, and may include time and other factors (e.g. trust)
- 15:56:33 [satya]
- Paul: Is there a need for temporal ordering
- 15:56:56 [SamCoppens]
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- 15:57:15 [satya]
- GK: It may make sense to talk about provenance without temporal information
- 15:57:24 [Paolo]
- if your provenance inferences/assertions do depend on time, you are in trouble
- 15:57:25 [stain]
- GK: +1 - so we can make time important to the model, but not required
- 15:57:35 [Zakim]
- +??P29
- 15:57:54 [stain]
- if we don't have a model of time, then "traditional provenance" (ie. a lab book) would not be matching our mdoel
- 15:58:16 [JimM]
- timestamps are useful and potentially independent evidence for/against provenance assertions
- 15:58:19 [stain]
- +1
- 15:58:20 [GK]
- q+ to add a qualification if consensus can be found
- 15:58:22 [Yogesh]
- +1
- 15:58:27 [smiles]
- +1
- 15:58:27 [zednik]
- +1 : time stamps addressed, but not required
- 15:58:31 [satya]
- Paul: Timestamp should be catered for by the model but not required by it
- 15:58:33 [Zakim]
- -??P28
- 15:58:35 [jcheney]
- +1 to allowing time without over-constraining its semantics
- 15:58:38 [JimM]
- q?
- 15:58:40 [iker]
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- 15:58:43 [smiles]
- ack smiles
- 15:58:47 [tlebo]
- q-
- 15:58:54 [Zakim]
- -Yogesh
- 15:59:21 [JimM]
- +q
- 15:59:26 [pgroth]
- ack GK
- 15:59:26 [Zakim]
- GK, you wanted to add a qualification if consensus can be found
- 15:59:30 [pgroth]
- ack JimM
- 15:59:31 [Lena]
- is it in the scope of this WG to define what is "required" and what is not?
- 15:59:32 [GK]
- +1, (subject to consensus qualification)
- 15:59:56 [Yogesh]
- Yogesh has left #prov
- 16:00:14 [Lena]
- or should we focus on representing what can be useful for representing provenance?
- 16:00:22 [satya]
- Jim: Time is important parameter of provenance descriptions
- 16:00:53 [GK]
- (Bruce schneier did some work on secure logs that might eb an alternative approach - but don't want to discuss that)
- 16:01:05 [satya]
- Jim: Time also helps in computing trust of provenance description
- 16:01:24 [Zakim]
- -[IPcaller]
- 16:01:27 [Zakim]
- - +1.315.330.aaii
- 16:01:30 [Zakim]
- - +1.509.375.aagg
- 16:01:31 [pgroth]
- zakim, bye
- 16:01:37 [jorn]
- bye
- 16:01:38 [Zakim]
- Zakim has left #prov
- 16:01:40 [Zakim]
- leaving. As of this point the attendees were jorn, +1.312.348.aaaa, pgroth, +1.213.290.aabb, Yogesh, stain, GK, +1.832.386.aadd, +1.518.633.aaee, +1.509.375.aaff, JimM, dgarijo,
- 16:01:40 [JimM]
- time is not core to provenance, but it is good evidence
- 16:01:43 [Zakim]
- ... Paolo, +1.509.375.aagg, [IPcaller], +1.216.368.aahh, Yolanda, jcheney, kai, +1.315.330.aaii
- 16:01:48 [pgroth]
- zakim, make log public
- 16:01:51 [Paolo]
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- 16:02:02 [pgroth]
- rrsagent, make log public
- 16:02:11 [pgroth]
- rrsagent, draft minutes
- 16:02:11 [RRSAgent]
- I have made the request to generate http://www.w3.org/2011/06/23-prov-minutes.html pgroth
- 16:03:13 [pgroth]
- http://www.w3.org/2011/prov/wiki/HowToSetUp
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- Trying to configure alternative IRC client on this channel
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