IVOA Interoperability Meeting

6-7 Oct 2005: ESAC, Madrid, Spain

VOQL Session



Timetable

Session 1 (Oct 10, 9:30-11:00)

  1. Road Map: (YujiSHIRASAKI & MariaNieto: 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 an 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? (MariaNieto: 10')
  4. Discuss schedule to upgrade skynodes from 0.7 to 1.0 (All: 10')
- break -

Session 2 (Oct 10, 11:30-13:00)

  1. Short presentations (No more than 40 - 45'; 10' to 15' each depending on quantity )
  2. Future - Brief discussion (As time permits)
    • The '!' operator problem. Need for proper footprints. (MariaNieto: 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 Catalog Data Model WG stand?
    • Query by ucd and utype
  3. Update Road Map

Documents & schema

title version doc
ADQL WD V1.02 ADQL-20050924.pdf: ADQL WD
SkyNode WD V1.02 SkyNodeInterface-20050929.pdf: SkyNode Interface
ADQL schema    
SkyNode WSDL    

Presentations

Presenter Subject Slides
MariaNieto or YujiSHIRASAKI Road Map  
MariaNieto or YujiSHIRASAKI Review ADQL specifications WD  
MariaNieto or YujiSHIRASAKI Review SkyNode specifications WD  
MariaNieto Metadata  
BrianThomas Achieving a Unified Query Layer in the VO  
AndreSchaaff Vizier Access to Catalogs presentation

Tools for SkyNode

Title Who Description Link
       

Links


Topic attachments
I Attachment Action Size Date Who Comment
PDFpdf ADQL-20050924.pdf manage 425.6 K 2005-09-30 - 01:48 MariaNieto ADQL WD
PDFpdf SkyNodeInterface-20050929.pdf manage 392.9 K 2005-09-30 - 01:50 MariaNieto SkyNode Interface
PowerPointppt VOQL-05-10-07.ppt manage 1386.5 K 2005-10-18 - 18:11 MariaNieto Agenda, Road Map, SkyNode spec
PDFpdf VOQL2Madrid.pdf manage 32.1 K 2005-10-18 - 18:13 MariaNieto VOQL Session Notes (Part II)
PDFpdf VizieR-VOQL_Escorial.pdf manage 98.1 K 2005-10-07 - 10:42 AndreSchaaff "VizieR" in the context of ADQL-SkyNode
Texttxt voql-notes.txt manage 1.8 K 2005-10-18 - 18:13 MariaNieto VOQL Session Notes (Part I)
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Topic revision: r8 - 2005-10-18 - MariaNieto
 
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