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

On Tue, 2011-03-01 at 11:56 -0300, Juan Sequeda wrote:
> Ivan,
> 
> 
> That is what I'm planning to do :)

You may need more type constraints in order to have the required
conditions in your proof. If you find anything like that -- and I'm sure
there are such missing things -- I'll be happy to add them.

Alexandre.

> 
> Juan Sequeda
> +1-575-SEQ-UEDA
> www.juansequeda.com
> 
> 
> On Tue, Mar 1, 2011 at 11:51 AM, Ivan Herman <ivan@w3.org> wrote:
>         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
>         >
>         >
>         >
>         
>         
>         
>         ----
>         Ivan Herman, W3C Semantic Web Activity Lead
>         Home: http://www.w3.org/People/Ivan/
>         mobile: +31-641044153
>         PGP Key: http://www.ivan-herman.net/pgpkey.html
>         FOAF: http://www.ivan-herman.net/foaf.rdf
>         
>         
>         
>         
>         
> 
>

Received on Tuesday, 1 March 2011 23:38:16 UTC