Provenance meeting in Paris, France, 2017 July 27th afternoon and 28th

supported by OV-France, GAVO, Paris Astronomical Data Center and the ASTERICS Project.

Participants

Please insert your name here and your estimated arrival/leaving times.

Venue

A room is reserved for us at the Observatoire de Paris, 77, Avenue Denfert-Rochereau, 75014 Paris

We will meet at the class room, B building on the ground floor (label 15 on the map):

https://www.obspm.fr/acces-au-site-de-paris.html?lang=en

Topics

Thursday, 27. July 2017

Timeline for draft before Santiago:

• reminder of the time line for the IVOA provenance DM recommendation
• The contribution for ADASS and the interop are poster and current status respectively.
  • CTA pipe and activity description in UWS server
  • Poster of Michele
  • 

• 2- progress on implementations Provenance data tools:
  
  • RAVE:
    • ProvDAL implementation
    • ActivityFlow serialisation
    • general remarks, questions
  • CTA
    • ActivityDescription content within OPUS
    • CTAPIPE Provenance class

• ProvDAL questions:
  • Provenence graph is a directional graph. The search on the graph edges is done by key words BACKWARDS and FORWARDS with a numerical value that defines the number of edges taken into account.Implementation of FORWARDS will be optional (voted, 4 pro; 1 against) If not implemented but given, return an error. To get all edges in a direcion, use FORWARDS=ALL resp. BACKWARDS=ALL.If ommitted, they default to zero.

• Provenance-Implementations-Paris-2017.pdf: Talk by Kristin on Progress on RAVE Django web application

• CDS serialisation and VOtable format
• implementation of HiPS generation and simple image processing workflows (CDS, strasbourg) Mireille and François
• ppt
• Pollux
• CTA requirements
• Discussion on the graph walking. The provenance of a node can be queried in given depth. Keyword BACKWARDS (ALL as default value) and FORWARDS (0 as default) can be used for that. Optional there are following keywords set at false on default:
  • expand_agentrelation
  • expand_flow
  • expand_collection

• Discussion on the open issues in the draft
• time plan for the provenance draft to become an IVOA recommendation
  • description classes discussion (started by Mathieu) here or in next section
  • VODML representtaion of the model
  • Fri Morning /reference implementations for the draft: which ones should be ready, which functionality