Prospective agenda for VOQL session in Madrid

From: Maria A. Nieto-Santisteban <nieto-at-skysrv.pha.jhu.edu>
Date: Wed, 21 Sep 2005 03:43:30 -0400 (EDT)


Dear all,

Here it is the prospective agenda for the VOQL session. The main topic will be the ADQL and SkyNodes WDs.

We have allocated 40 to 45 minutes for those who would like to present their work in the area. Please let us know if you wish to give a short presentation.

See you soon

Yuji Shirasaki and Maria Nieto-Santisteban



VOQL agenda

IVOA interoperability meeting
San Lorenzo del Escorial, Madrid, Spain
Friday, October 10th, 9:30 - 13:00

Maria Nieto-Santisteban & Yuji Shirasaki

  1. Road Map: (Yuji & Maria: 10')
    • Where are we?
    • Meeting goals
  2. Review ADQL and SkyNode specifications WD: (All: 60')
    • ADQL v1.0
      • SQL 92
        • The SELECT statement
          • BNF independent from language (Post C# as a external reference)
      • XMATCH function(s) syntax
      • Single & Multi node queries
    • SkyNode v1.0
      • XMATCH function(s) algorithms
      • Architecture Decoupling (Cascade and Parallel)
      • Add a mechanism to transmit "messages" in addition to data
      • Content standardization in returned VOTable
  3. Metadata. How enforce quality? (Maria: 10')
  4. Discuss schedule to upgrade skynodes from 0.7 to 1.0 (All: 10')
    • break -
  5. Short presentations (No more than 40 - 45'; 10' to 15' each depending on quantity )
  6. Future - Brief discussion (As time permits)
    • The '!' operator problem. Need for proper footprints. (Maria: 10')
    • VOQL needs diversity: equivalent implementations of Open SkyQuery portals accepting distributed queries
    • XMATCH function(s) algorithms (How do we include errors?)
    • How do we deal with big query results? The path to VOStore
    • Xmatch works only between primary table from SkyNode (What needs to be done to allow xmatch with others?)
    • Table data model (standard column names) Where does the Catalog Data Model WG stand?
    • Query by ucd and utype
  7. Update Road Map
Received on 2005-09-21Z09:44:22