Re: RDB2RDF WG agenda for 2010-08-31 meeting 1600 UTC

  Regrets for tomorrow's call.  Last chance for a bit of vacation this summer.
Hope you make progress on the syntax.
All the best, Ashok

On 8/30/2010 8:02 AM, Michael Hausenblas wrote:
> All,
>
> Below the agenda for tomorrow's meeting.
>
> Cheers,
>        Michael
>
> ---------------------------------------------------------
> AGENDA Teleconference
> W3C RDB2RDF Working Group telephone conference 2010-08-31
> ----------------------------------------------------------
> Tuesday, 31 August *16:00-17:00 UTC* Local time:
> http://www.timeanddate.com/worldclock/fixedtime.html?month=08&day=31&year=20
> 10&hour=16&min=00&sec=0
> Bridge US: +1-617-761-6200 (Zakim) Conference code : 7322733# (spells
> "RDB2RDF")
> Duration : 60 minutes
> -------------------------------------------------------------------
> IRC channel : #RDB2RDF on irc.w3.org:6665 W3C IRC Web Client :
> http://www.w3.org/2001/01/cgi-irc
> Zakim information : http://www.w3.org/2002/01/UsingZakim
> Zakim bridge monitor : http://www.w3.org/1998/12/bridge/Zakim.html
> Zakim IRC bot : http://www.w3.org/2001/12/zakim-irc-bot.html
> -------------------------------------------------------------------
>
> Chair: Michael
> Scribe: Boris
>
>
> 1. Admin PROPOSAL: Accept the minutes of last meeting, see
> http://www.w3.org/2010/08/24-rdb2rdf-minutes.html
>
>
> 2. Revised proposal from Souri
> http://www.w3.org/2001/sw/rdb2rdf/wiki/An_XML_Schema_for_SQL-based_RDB2RDF_M
> apping_%28Revision_1%29
>
> Souri's comment:
> Regarding Comment 2.5 (Lookup Table): How can we translate a SPARQL
> query with FILTER involving transformed values?
>
>   Example: Consider the following SPARQL query involving a property,
> :transfProp, whose values are transformed, via a lookup table, into (-1)
> times the original value
>        (e.g., 10 in an INTEGER column, i.e., "10"^^xsd:integer in RDF, is
> transformed into "-10"^^xsd:integer):
>
>        SELECT ?x ?y WHERE {?x  :transfProp ?v1 . ?y   :transfProp  ?v2 .
> FILTER (?v1>  ?v2)}
>
>         How can SQL know, without having the lookup table somehow
> specified (in a CASE statement or something equivalent), how to evaluate
> the FILTER clause?
>
>
> 3. Test Cases
> Kick-off the discussion around test cases, see
> http://www.w3.org/2001/sw/rdb2rdf/test-cases/
>
> Boris volunteered to be process owner re TC and will give some background on
> purpose and approach.
>
>
> 4. What are we going to do about the Default Mapping?  Separate document?
> Who can start a document for discussion?  Juan, Eric, Souri?
>
>
> 5. Discussion on next steps for SQL-based approach.
> Create FPWD? Who volunteers for editing this?
>
>
> 6. Syntax discussion
> See post from Richard and follow-ups on mailing list
> http://lists.w3.org/Archives/Public/public-rdb2rdf-wg/2010Aug/0038.html
>
> Options are:
>
>   + custom syntax
>     http://lists.w3.org/Archives/Public/public-rdb2rdf-wg/2010Aug/0055.html
>
>   + RDF/Turtle
>     http://www.w3.org/2001/sw/rdb2rdf/wiki/R2RML_in_Turtle
>
>   + XML
>
> http://www.w3.org/2001/sw/rdb2rdf/wiki/Example_of_SQL-based_RDB2RDF_Mapping:
> _Revision_1
>
>
> 7. AOB
>

Received on Monday, 30 August 2010 22:36:53 UTC