Agenda PROV-WG telecon 25 Aug 2011

Teleconferences (official participants and invited guests only):
- Thursdays, 8 am San Francisco, 11 am Boston, 4 pm London, 5 pm Paris
- For up to 90 minutes, goal is 60 minutes.
- Dial +1-617-761-6200 or sip:zakim@voip.w3.org then conference code 7768#
- IRC channel: #prov (http://irc.w3.org/?channels=prov).
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- Scribe list: http://www.w3.org/2011/prov/wiki/Scribes

Admin

• Chair: Luc Moreau
• Scribe:

• PROPOSED to accept the minutes of Aug 18 telecon

   http://www.w3.org/2011/prov/meeting/2011-08-18

• Action items to review:

   http://www.w3.org/2011/prov/track/actions/open

• F2F2
• Name of the standard

• Scribes

Provenance Implementation and Test Cases

• Finalization of 2nd Questionnaire

Named graphs requirements

• Liaison with RDF working group (Luc)
• RDF WG
  • one of the main challenges for the RDF WG is to define a suitable mechanism for supporting multiple ("named") graphs in RDF [1].
  • several proposals have been discussed over the past few months (e.g. [2]).
  • [1] http://www.w3.org/2011/rdf-wg/wiki/TF-Graphs
  • [2] http://www.w3.org/2011/rdf-wg/wiki/TF-Graphs/RDF-Datasets-Proposal
• Process to capture PROV-WG requirements on named graphs
  • For info, http://www.w3.org/2011/rdf-wg/wiki/TF-Graphs-UC#Provenance_Use_Cases

Adopting naming conventions

Reaching consensus on naming conventions for both the model and the ontology.

• • Cases

proposed

To adopt camel case notation. In OWL, classes begin with upper case, and properties begin with lower case.

• • Nodes (in the graphical representation)

proposed

To express nodes in noun form

ASN

e.g., entity, processExecution, agent

OWL

e.g., Entity, ProcessExecution, Agent

• • Edges (in the graphical representation)

proposed

To express edges in verbal form

ASN

e.g., uses, isControlledBy, isComplementOf

OWL

e.g., isControlledBy, isDerivedFrom

• • Edge directionality

proposed

Edges that indicate event ordering must point "towards the past".

• • Tense: we'll debate whether we want present or past tense for edges.

Provenance Ontology

• OWL ontology progress review (Satya and Tim)
• Feedback from trying out the use case (Helena Deus)

Provenance Model Document

• Soliciting feedback

AOB