- From: Luc Moreau <l.moreau@ecs.soton.ac.uk>
- Date: Mon, 08 Oct 2012 14:19:23 +0100
- To: Khalid Belhajjame <Khalid.Belhajjame@cs.man.ac.uk>
- CC: public-prov-wg@w3.org
Hi Khalid, I have toned down the suggestion, and said this scenario may be modelled in that way. If we remove this paragraph, what do you suggest we write instead, as a way of modelling the proposed scenario. Cheers, Luc On 10/03/2012 01:31 PM, Khalid Belhajjame wrote: > In the response to this issue, it is said that "If in an application, > it is necessary to express that a delegation takes place over an > interval(evt1-evt2) and followed by a delegation during interval > (evt2-evt3), the approach is to model this with two activities, one > for the first interval, or one for the second interval, and two > relations actedOnBehalfOf, one for each activity." > > I think this is too strong, it implies that the design "Plan" and > composition of activities will be driven by the interval of time > people are available to perfom the activities, as opposed to the task > carried out by activities. I would, therefore, opt for removing the > above statement from the response. > > Regards, khalid > > On 25 September 2012 14:43, Luc Moreau <l.moreau@ecs.soton.ac.uk> wrote: >> Dear all, >> >> Here is a draft response for issue-522, >> http://www.w3.org/2011/prov/wiki/ResponsesToPublicComments#ISSUE-522_.28Activity_Delegation.29 >> >> Feedback appreciated. >> Regards >> Luc >> >> ISSUE-522 (Activity Delegation) >> >> Original email: >> http://lists.w3.org/Archives/Public/public-prov-wg/2012Sep/0112.html >> Tracker: http://www.w3.org/2011/prov/track/issues/522 >> Group Response >> >> Our response to ISSUE-521 partly addresses this issue. >> PROV delegations are not temporal relations. Instead, prov-constraints >> define ordering constraints that are implied by delegations: the responsible >> agent has to precede or has some overlap with the subordinate agent. >> If in an application, it is necessary to express that a delegation takes >> place over an interval(evt1-evt2) and followed by a delegation during >> interval (evt2-evt3), the approach is to model this with two activities, one >> for the first interval, or one for the second interval, and two relations >> actedOnBehalfOf, one for each activity. >> >> References: >> >> Delegation ordering constraints: >> http://www.w3.org/TR/2012/WD-prov-constraints-20120911/#actedOnBehalfOf-ordering >> Issue raised against prov-constraints: >> https://www.w3.org/2011/prov/track/issues/559 >> >> Changes to the document: none, but issue raised against prov-constraints >> Original author's acknowledgement: >> >> [edit] >> >> >> >> On 10/09/2012 09:49, Provenance Working Group Issue Tracker wrote: >> >> PROV-ISSUE-522: Data Model Section 5.3.4 [prov-dm] >> >> http://www.w3.org/2011/prov/track/issues/522 >> >> Raised by: Luc Moreau >> On product: prov-dm >> >> >> http://www.w3.org/2011/prov/wiki/LC_Feedback#Data_Model_Section_5.3.4 >> >> >> ISSUE-463 >> >> >> See comments for section 5.3.3. Can activities delegate to other agents, or >> can only entity agents delegate to other entities? (I assume the intent is >> to restrict delegation to only entity agents.) >> >> Delegations are only valid for a given window of time, so start and end >> times should be added. >> >> >> >> >> >> >> >> -- >> Professor Luc Moreau >> Electronics and Computer Science tel: +44 23 8059 4487 >> University of Southampton fax: +44 23 8059 2865 >> Southampton SO17 1BJ email: l.moreau@ecs.soton.ac.uk >> United Kingdom http://www.ecs.soton.ac.uk/~lavm >> -- Professor Luc Moreau Electronics and Computer Science tel: +44 23 8059 4487 University of Southampton fax: +44 23 8059 2865 Southampton SO17 1BJ email: l.moreau@ecs.soton.ac.uk United Kingdom http://www.ecs.soton.ac.uk/~lavm
Received on Monday, 8 October 2012 13:20:03 UTC