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<trackbot> Date: 19 March 2010
<Yolanda> Meeting: prov-xg
<Luc> +0238059aadd is Luc
<Paolo> +??P8 is Paolo
<Yolanda> Scribe: SamCoppens
<Yolanda> ScribeNick: SamCoppens
<Yolanda> Agenda: http://lists.w3.org/Archives/Public/public-xg-prov/2010Mar/0011.html
General Outline: Take user requirements and condense them along the prov dimension, collected in three major use cases.
<Yolanda> * thanks very much, Sam!
First use case: News Aggregator
Question: merge the use cases?
Yolanda: merge into one use case, it is easier to diggest the information.
<jfreire2> What I like about the Biomedical Example is that it raises the issue of combining workflow provenance with provenance from data on the Web
<Christine> And we could also add other issues e.g. privacy to an epidemiological use case
<jfreire2> On the other hand, the fact that the Public Policy one deals with surveys and other data that is manually gathered raises the very interesting issue of incomplete provenance and missing information.
Second use case: Evidence for scientific results
<Paolo> good mix, Paul
Third use case: Engineering contract scenario
All prov dimensions are covered but not all by the use cases
Yolanda: missing dimensions can be included in third one
<pgroth> 1. use of the provenance information
Question: Which are the key requirements and how to document them
<pgroth> 2. content of the provenance information
<pgroth> 3. management provenance information
Yolanda: three key requirements for use cases as mentioned above
Jim will add the missing dimensions and send out an email for feedback
Comments Yolanda: usefull to have linked data issues highlighted more
Yolanda: original list of user requirements must be extended
In total 15 requirements are not covered
Jim: Linked Data --> be carefull not to be too technical
Yolanda: bring in more the flavour of the linked data in the use cases
<Paolo> yes that's reasonable to me...
<scribe> ACTION: JIM to review use cases by next week and republish the use cases so other can give feedback [recorded in http://www.w3.org/2010/03/19-prov-xg-minutes.html#action01]
<trackbot> Sorry, couldn't find user - JIM
More feedback is expected from the new group members.
Next agenda topic: Update on provenance for data.gov.uk
Paul: how do you relate OPM to data.gov.uk
Jun: It gives a more practical implementation of OPM
Luc: OPM mostly used by OPM designers. Good to see it be taken up
<pgroth> could this help us connect to the semweb community more?
Jun: relation OPM and prov
... helpfull on how to move foreward.
Jun: at the end of March first solutions will be published
Third Agenda Topic: Update on paper for RDF next steps workshop
Satya: We have detected 5 issues which should be discussed
<pgroth> satya, will circulate this?
<pgroth> will you circulate it?
<Yolanda> there is no draft yet Paul
<Yolanda> we only have an outline
Satya: First point: Named Graphs should be included in RDF specs?
Second: no vocab for rdf graph versioning
Third: adding vocab adding temp correlation
<pgroth> +1 for transitive closures
fourth: no mechanism which triples are used for the creation of new triples
Fifth: SPARQL does not include transitive closure
Paolo: fourth req (entailment), reasoning problem instead of rdf problem
<lkagal> I think including named graphs or quoting into RDF will provide this ability of marking inferred triples with their rules & premises
<Yolanda> trackbot, end telcon
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