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

Regrets from me as well, I'm travelling and won't be at the hotel in  
time to join the call

Richard



On 31 Aug 2010, at 00:34, ashok malhotra wrote:

> 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 Tuesday, 31 August 2010 10:24:29 UTC