- From: Fogarolli Angela <afogarol@disi.unitn.it>
- Date: Tue, 31 Aug 2010 13:37:06 +0200
- To: Richard Cyganiak <richard@cyganiak.de>
- Cc: Michael Hausenblas <michael.hausenblas@deri.org>, RDB2RDF WG <public-rdb2rdf-wg@w3.org>
Regrets from me too for this and next week call, I will be finally on vacation. Angela. On Tue, Aug 31, 2010 at 12:23 PM, Richard Cyganiak <richard@cyganiak.de> wrote: > 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 11:37:40 UTC