Session 1 (May 16, 9:00-10:30) ADQL spec.

1. Currnet status of the ADQL WD
2. SQL Syntax
   • Unit syntax

• • time stamp syntax
  • sexagecimal syntax
  • region syntax
  • ...

1. Update of ADQL schema
   • Full ADQL schema
   • Core ADQL schema
2. ...

Session 2 (May 16, 11:00-12:30) SkyNode spec.

1. Current status of SkyNode WD
2. Proposal of new interface
   • performQuery(adqlCore)

• • performQuery(adql, votable)
  • perfromQueryAsync(adql)

1. What should "select into" returns ? empty votable ?
2. Finalize xmatch debate
   • Which algorithm should be mandatory for xmatch skynode ? chi2 calculation vs distance based selection
3. Skynode classification.
   • BASIC, FULL --> BASIC SN, FILE UPLOADABLE SN, ..., FULL SN
4. content of a returned VOTable.
5. Metadata: information_schema vs tables & columns interface.

Session 3 (May 19, 11:00-12:30) Implementation

1. NVO
2. JVO
3. ESA?
4. CDS?
5. others?

• ADQL-v1.04.xsd: ADQL Full schema ver1.04 2006-05-04