- From: Graham Klyne <GK@ninebynine.org>
- Date: Wed, 26 Oct 2011 14:15:45 +0100
- To: Luc Moreau <L.Moreau@ecs.soton.ac.uk>
- CC: Provenance Working Group WG <public-prov-wg@w3.org>
I was one of the -1 for "activity", but I don't feel very strongly beyond what I said in my message. My vote shouldn't be taken as a blocker. #g -- On 26/10/2011 12:33, Luc Moreau wrote: > Hi all, > > I appreciate that some members are still casting their vote, but I wanted to > comment > on two recent negative votes. > > Currently, the prov-dm document defines: > > Conceptualization: characterized thing and activity > Data Model: entity expression and process execution expression > > I think it was acceptable to have different terms for conceptualization and data > model, > but it made the writing convoluted at times. > > With two votes against the second proposal, we may end up with: > > Conceptualization: entity and activity > Data Model: entity expression and process execution expression > > I really find this non logical: entity expression is record about an entity, while > process execution execution is a record about an activity. Why this difference? > > JimMcC indicated that activity implied a notion of agency. I am not familiar > with this > interpretation. Where does it come from? He suggests 'event', but this term is > already in > the document (and will be the subject of a future clarification proposal). > > Graham mentions a distinction between activity and process execution which I > don't think belongs to the document. > (I also note that process execution is not defined, but process execution > expression is). > > An alternative proposal is to drop the word 'activity' in the conceptualisation, > and just use process execution. > I find the later unintuitive, and difficult to explain. Can you reconsider the > negative votes? > > Cheers, > Luc > > > > On 10/22/2011 06:29 PM, Luc Moreau wrote: >> >> Dear all, >> >> Graham recently, and Simon previously, suggested that we define an >> entity as an identifiable characterized thing. Such a definition >> would be appearing in section 2.1 [1]. This would work since PROV-DM >> has a notion of 'Entity Expression' for the provenance record that >> describes an entity. >> >> Hence, there would be no confusion between an Entity Expression and an >> Entity. >> >> It would further simplify the writing and presentation of PROV-DM, >> because we could simply talk about entity, rather than 'identifiable >> characterized thing'. >> >> The prupose of this email is to confirm that we want to adopt this >> terminology. >> >> PROPOSED: in section 2.1 [1], to define an entity as an identifiable >> characterized thing. >> >> Can you confirm your support or not for this proposal? If not, can >> you explain your reasons? >> >> Assuming we go ahead with this proposal, section 2.1 would >> define : >> - 'Entity' and >> - 'Activity', >> whereas section 5.2 [2] would define: >> - 'Entity Expression' and >> - 'Process Execution Expression' >> >> This is not symmetric and this is confusing. This issue >> (PROV-ISSUE-129) was also raised by Yolanda. >> >> The term 'Process Execution' is dating back from the charter, and was >> never questioned. It feels that Activity is more intuitive and >> broader than process execution. >> >> In the spirit of simplification [3] of the presentation and model, >> I am suggesting, the following. >> >> PROPOSED: to rename 'process execution' by 'activity' >> >> Again, can you express your support or not for this proposal. If you >> don't support it, can you make a counter-proposal. It feels that >> keeping both 'Activity' and 'Process Execution Expression' is not >> suitable: so the status quo is not an option, really. >> >> Cheers, >> Luc >> >> >> [1] >> http://dvcs.w3.org/hg/prov/raw-file/default/model/ProvenanceModel.html#conceptualization >> >> [2] >> http://dvcs.w3.org/hg/prov/raw-file/default/model/ProvenanceModel.html#expression-element >> >> [3] http://lists.w3.org/Archives/Public/public-prov-wg/2011Oct/0140.html >
Received on Wednesday, 26 October 2011 13:16:36 UTC