Prospective agenda for VOQL session in Madrid

[Maria A. Nieto-Santisteban]

Hi,

ADQL V1.0 will include rules about what is a correct column identifier.

Cheers,

Maria

On Wed, 21 Sep 2005, Patricio F. Ortiz wrote:

> Hola Mar'ia,
> 
> As you may pass this email around, I'll write in english. 
> I have a concern respect to the case in which column names contain "funny"
> characters ( (), [], ' and ", -, . etc ). I've seen a number of them
> deployed in our registry and they're obviously valid names in their home
> databases. The problem, however, arises when one wants to parse ADQL-s to
> ADQL-x, when interpreters start complaining about non-existing functions (
> eg, M(B) ) or they think it's an arithmetics operation (eg, B-V, -logF
> etc).
> 
> If this has been discussed, can you point me out to some reference? And if
> it hasn't, can this be addressed before registries get overpopulated ?
> Going back then will be quite painful.
> 
> The problem I mention seems to be exclusively a problem in how to handle
> the queries, eg, ADQL, registries don't have any problem in accepting the
> name of these columns.
> 
> Cheers,
> 
> Patricio
> 
> 
> On Wed, 21 Sep 2005, Maria A. Nieto-Santisteban wrote:
> 
> > 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
> > 
> > 
> 
> ---
> Patricio F. Ortiz			pfo at star.le.ac.uk
> Department of Physics & Astronomy	Phone: +44 (0)116 252 2015
> University of Leicester			
> Leicester, LE1 7RH, UK
> 

-- 
------------------------------------------------
Maria A. Nieto-Santisteban (nieto at pha.jhu.edu)
Johns Hopkins University
3400 N. Charles St.
Physics & Astronomy Department
Baltimore, MD 21218 (USA)

Tel: 	1 410 516-7679  Fax: 	1 410 516-5096