- From: Satya Sahoo <satya.sahoo@case.edu>
- Date: Tue, 6 Nov 2012 12:26:39 -0500
- To: Stephan Zednik <zednis@rpi.edu>
- Cc: Luc Moreau <l.moreau@ecs.soton.ac.uk>, Provenance Working Group WG <public-prov-wg@w3.org>
- Message-ID: <CAOMwk6xg_VN-Lfn0_W_eWkvRNmfttALszzDwFt-iMRBfdBJk4w@mail.gmail.com>
+1 Satya On Mon, Nov 5, 2012 at 11:54 AM, Stephan Zednik <zednis@rpi.edu> wrote: > +1 > > Stephan > > On Nov 5, 2012, at 7:47 AM, Luc Moreau <l.moreau@ecs.soton.ac.uk> wrote: > > +1 from me too. > > Luc > > On 11/05/2012 02:30 PM, Paul Groth wrote: > > +1 good response, Tim > > Paul > > On Nov 5, 2012, at 5:55, Timothy Lebo <lebot@rpi.edu> wrote: > > prov-wg, > > Your approval is needed for the draft response to issue 552. > > The response is at > http://www.w3.org/2011/prov/wiki/ResponsesToPublicComments#ISSUE-552_.28Influence_subclasses.29 > > and is copied below. > > Please raise objections before tomorrow 5pm UK time, so that we can > close this out before the F2F. > > Regards, > Tim > > ISSUE-552 (Influence subclasses) > > - Original email: > http://lists.w3.org/Archives/Public/public-prov-comments/2012Sep/0000.html > - Tracker: https://www.w3.org/2011/prov/track/issues/552 > - Group Response: > - On "subclassing Influence": > - The WG agrees with the suggestion that the phrase "a > particular case of derivation" should be expressed using rdfs:subClassOf. > - Since the prov-dm's definitions for revision, quotation, and > primary source mention that they are "particular case[s] of derivation", > then it follows that each should be subclasses in the PROV-O encoding. We > changed PROV-O to include these three classes as a subclass of Derivation. > - The WG aggress with the reviewer that "a kind of" is a more > natural phrasing than "a particular case", and so we have adopted it as > suggested. > - On the phrasing of definitions: > - It was pointed out that the definitions for > "{Entity,Agent,Activity}Influence" are inconsistent with that of their > parent class "Influence". > - The source of this inconsistency is that > {Entity,Agent,Activity}Influence are not defined by prov-dm, but by prov-o > as artifacts of encoding prov-dm's model into the paradigm of OWL (i.e., > the use of the qualification pattern to describe binary relations). > - The inconsistent definitions were "demoted" to rdfs:comments > because they focus too heavily on the RDF and OWL paradigm and not enough > on how they are expressing the abstract model of prov-dm. > - New definitions were created to align with their parent class, > with a focus on how the classes are expressing the abstract model of > prov-dm. > - On the inconsistency of subclasses according to "general > understanding of the english terms": > - The reviewer points out that the definitions of Influence, > EntityInfluence, and Start illustrate an inconsistency: "influence is a > capacity, an entity influence is a provider (of descriptions) and a start > is a "when" (a time)". > - The WG acknowledges that the definitions as shown support this > concern. > - The inconsistency between Influence and its immediate > subclasses {Entity,Agent,Activity}Influence is addressed by the response to > the earlier comment ("phrasing of definitions"). > - To address the inconsistency between {Influence, > {Entity,Agent,Activity}Influence} and {Start,End}, PROV-DM updated the > definitions for Start and End: > - *Start is when an activity is deemed to have been started > by an an entity, known as trigger . The activity did not exist before its > start. Any usage, generation, or invalidation involving an activity follows > the activity's start. A start may refer to a trigger entity that set off > the activity, or to an activity, known as starter , that generated the > trigger.* ref<http://dvcs.w3.org/hg/prov/raw-file/1e5d261d1c85/model/prov-dm.html#term-Start> > - *End is when an activity is deemed to have been ended by an > entity, known as trigger . The activity no longer exists after its end. Any > usage, generation, or invalidation involving an activity precedes the > activity's end. An end may refer to a trigger entity that terminated the > activity, or to an activity, known as ender that generated the trigger. > * ref<http://dvcs.w3.org/hg/prov/raw-file/1e5d261d1c85/model/prov-dm.html#concept-end> > - References: > - Changes to the document: > - prov-dm updated the definitions<http://dvcs.w3.org/hg/prov/rev/363ce30cec66> for > revision, quotation, and primary source to reinforce that each is a > relation. > - prov-o changed <http://dvcs.w3.org/hg/prov/rev/337e097e37e9> to > add axioms: > - prov:Revision rdfs:subClassOf prov:Derivation . > - prov:PrimarySource rdfs:subClassOf prov:Derivation . > - prov:Quotation rdfs:subClassOf prov:Derivation . > - prov-o "demoted" the original definitions of > {Entity,Agent,Activity}Influence to rdfs:comments. > - prov-o created new definitions for > {Entity,Agent,Activity}Influence to align with their parent class > definition. > - prov-o removed existing comments on > {Entity,Agent,Activity}Influence that were very similar to the new "prov-dm > centric" definitions. The removed comments had more of an OWL flavor to > them instead of an abstract flavor. For example, the following comment was > removed: > - "ActivityInfluence is intended to be a general subclass of > Influence of an Activity. It is a superclass for more specific kinds of > Influences (e.g. Generation, Communication, and Invalidation)." in favor of > the definition "ActivitiyInfluence is the capacity an activity to have an > effect on the character, development, or behavior of another by means of > generation, invalidation, communication, or other." > - The latest draft <http://aquarius.tw.rpi.edu/prov-wg/prov-o> of > the PROV-O html document reflects the definitions changed in the PROV-O OWL > file: > - http://aquarius.tw.rpi.edu/prov-wg/prov-o#EntityInfluence, > - http://aquarius.tw.rpi.edu/prov-wg/prov-o#ActivityInfluence, > - http://aquarius.tw.rpi.edu/prov-wg/prov-o#AgentInfluence > - PROV-DM's new definition for Start<http://dvcs.w3.org/hg/prov/raw-file/1e5d261d1c85/model/prov-dm.html#term-Start> -> > PROV-O's new definition for Start<http://aquarius.tw.rpi.edu/prov-wg/prov-o#Start> > - PROV-DM's new definition for End<http://dvcs.w3.org/hg/prov/raw-file/1e5d261d1c85/model/prov-dm.html#concept-end> -> > PROV-O's new definition for End<http://aquarius.tw.rpi.edu/prov-wg/prov-o#End> > > > > > > On Sep 13, 2012, at 7:27 AM, Provenance Working Group Issue Tracker < > sysbot+tracker@w3.org> wrote: > > PROV-ISSUE-552 (subclass-prov-o): Check subclass definitions in prov-o > [Ontology] > > http://www.w3.org/2011/prov/track/issues/552 > > Raised by: Paul Groth > On product: Ontology > > See email from Alan Ruttenberg > > > > > > > -- > 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 Tuesday, 6 November 2012 17:27:08 UTC