Re: RDB2RDF WG agenda for 2011-03-01 meeting 1700 UTC

Juan,

just wondering... what would be the best way of proving that the two formalisms are equivalent? To be more specific: do you think you guys can make a similar service as the one of Alex and Eric that could be used to test the output of the description? Because if so, the rest is to have clear and heavyweight test cases...

Ivan

On Mar 1, 2011, at 14:27 , Juan Sequeda wrote:

> Hi Everbody,
> 
> Marcelo and I just updated the Direct Mapping document [1]. We finished Section 4: Direct Mapping as rules. We realized that we were being to verbose so we simplified a lot. We also finished the section that was missing: Generating Reference Triples. 
> 
> In summary, the cases that a direct mapping should consider are
> 
> Table Triples
> 
> 1) Table has a PK (single or multi)
> 2) Table does not have a PK
> 
> Literal Triples
> 
> 3) Table has a Pk (single or multi)
> 4) Table does not have a PK
> 
> Reference triples:
> 
> Given two tables: r1 and r2
> 
> 5) Table r1 has a PK (single or multi) and table r2 has a PK (single or multi)
> 6) Table r1 has a PK (single or multi) and table r2 does not have a PK
> 7) Table r1 does not have a PK and table r2 has a PK (single or multi)
> 8) Table r1 does not have a PK and table r2 does not have a PK
> 
> We have other things on the agenda, so I guess we won't be able to discuss this today.
> 
> Time permitting, I'll have an implementation ready based on the rules.
> 
> Cheers
> 
> [1] http://www.w3.org/2001/sw/rdb2rdf/directMapping/
> 
> Juan Sequeda
> +1-575-SEQ-UEDA
> www.juansequeda.com
> 
> 
> On Tue, Mar 1, 2011 at 6:13 AM, Michael Hausenblas <michael.hausenblas@deri.org> wrote:
> 
> All,
> 
> Below the agenda for our today's meeting.
> 
> Cheers,
>      Michael
> 
> ---------------------------------------------------------
> AGENDA Teleconference
> W3C RDB2RDF Working Group telephone conference 2011-03-01
> ----------------------------------------------------------
> *17:00-18:00 UTC*
> Local time:
> http://timeanddate.com/worldclock/fixedtime.html?month=03&day=01&year=2011&h
> our=17&min=00&sec=0
> 
> Bridge US: +1-617-761-6200 (Zakim)
> Conference code: 7322733# (spells "RDB2RDF")
> IRC channel : #RDB2RDF on irc.w3.org:6665 W3C
> -------------------------------------------------------------------
> 
> Chair: Michael
> Scribe: Zakim, pick victim
> 
> For all open actions see:
> http://www.w3.org/2001/sw/rdb2rdf/track/actions/open
> 
> 
> 1. Admin
> 
> + PROPOSAL: Accept the minutes of last meeting, see
> http://www.w3.org/2011/02/22-rdb2rdf-minutes.html
> 
> Publication of WD scheduled for 15 Mar 2011
> 
> 
> 3. Direct Mapping
>   (Marcelo, Eric, Juan) ACTION-98, ACTION-99, ACTION-102
> 
> http://www.w3.org/2001/sw/rdb2rdf/directMapping/
> 
> Discussion of ISSUE 14 (Many-to-many tables)
> 
> 
> 4. Test Cases
>   (Boris) ACTION-81, ACTION-91
> 
> http://this-db-really.does-not-exist.org/
> 
> http://www.w3.org/2001/sw/rdb2rdf/wiki/TestCases
> https://dvcs.w3.org/hg/rdb2rdf-tests/
> http://www.w3.org/2001/sw/rdb2rdf/test-cases/
> 
> 
> 5. R2RML status
>   (Souri, Richard, Seema)
>   ACTION-83, ACTION-92, ACTION-93, ACTION-96, ACTION-97
> 
> http://www.w3.org/2001/sw/rdb2rdf/r2rml/
> 
> 
> 6. AOB
> 
> --
> Dr. Michael Hausenblas, Research Fellow
> LiDRC - Linked Data Research Centre
> DERI - Digital Enterprise Research Institute
> NUIG - National University of Ireland, Galway
> Ireland, Europe
> Tel. +353 91 495730
> http://linkeddata.deri.ie/
> http://sw-app.org/about.html
> 
> 
> 


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Ivan Herman, W3C Semantic Web Activity Lead
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