Re: A Direct Mapping of Relational Data to RDF is FPWD

On Thu, 2010-11-18 at 15:29 -0600, Juan Sequeda wrote:
> On Thu, Nov 18, 2010 at 3:27 PM, Eric Prud'hommeaux <eric@w3.org>
> wrote:
>         * Juan Sequeda <juanfederico@gmail.com> [2010-11-18
>         15:10-0600]
>         > >
>         > >
>         > > > 6) It would be really nice to see an equivalent R2RML
>         that produces
>         > > > the direct mapping.
>         > >
>         > > Actually, one of the applications of the Direct Mapping is
>         to serve as a
>         > > default mapping for R2RML, when you give an empty
>         configuration.
>         > >
>         >
>         > We should save that sentence and put it in the R2RML spec:
>         >
>         > "The direct mapping serves as the default mapping for R2RML
>         with empty
>         > configuration"
>         
>         
>         +1
>         The R2RML should have a normative dependency on
>         rdb-direct-mapping.
>         I think this is safe as direct-mapping should get to REC in
>         plenty
>         of time.
>         
>         
>         
> 
> 
> +1

+1

Alexandre.

>  
>         > >
>         > > Alexandre.
>         > >
>         > > >
>         > > >
>         > > >
>         ______________________________________________________________________
>         > > > From: Alexandre Bertails <bertails@w3.org>
>         > > > To: Eric Prud'hommeaux <eric@w3.org>
>         > > > Cc: Alex Miller <alexdmiller@yahoo.com>; Michael
>         Hausenblas
>         > > > <michael.hausenblas@deri.org>; RDB2RDF WG
>         <public-rdb2rdf-wg@w3.org>
>         > > > Sent: Thu, November 18, 2010 12:53:14 PM
>         > > > Subject: Re: A Direct Mapping of Relational Data to RDF
>         is FPWD
>         > > >
>         > > > On Thu, 2010-11-18 at 12:43 -0500, Eric Prud'hommeaux
>         wrote:
>         > > > > * Alex Miller <alexdmiller@yahoo.com> [2010-11-18
>         08:26-0800]
>         > > > > > Looks great all.  I've just skimmed through it but
>         it's
>         > > > interesting seeing how
>         > > > > > you've handled certain issues in similar and
>         different ways from
>         > > > what we've done
>         > > > > > at Revelytix.
>         > > > > >
>         > > > > > We are interested in supporting these specs moving
>         forward
>         > > > although I'm not sure
>         > > > > > yet when we'll start working on it.  If things move
>         along
>         > > > favorably we may also
>         > > > > > be able to open source the implementation at some
>         point.
>         > > > > >
>         > > > > > I was surprised (and delighted) to see the Scala
>         syntax in the
>         > > > spec too. :)
>         > > > >
>         > > > > It's perhaps over-rigorous for the purposes of
>         presentation (uses
>         > > > case
>         > > > > classes rather than type= to ensure type safety). The
>         source:
>         > > > >
>         > > >
>         > >
>         https://dvcs.w3.org/hg/FeDeRate/file/tip/directmapping/src/main/scala/DirectMapping.scala
>         > > >
>         > > > Case classes are the Scala algebraic datatype
>         implementation. They
>         > > > define both types (the classes) and type injectors (the
>         constructors).
>         > > >
>         > > > Sure, we should split the formal definition from the
>         type-safety
>         > > > proof.
>         > > >
>         > > > Pattern matching + type-checking is not "over-rigorous"
>         when you gain
>         > > > such confidence in your formalism.
>         > > >
>         > > > Alexandre.
>         > > >
>         > > > >
>         > > > > is editable by RDB2RDF members.
>         > > > >
>         > > > > > ________________________________
>         > > > > > From: Michael Hausenblas
>         <michael.hausenblas@deri.org>
>         > > > > > To: RDB2RDF WG <public-rdb2rdf-wg@w3.org>
>         > > > > > Sent: Thu, November 18, 2010 10:06:29 AM
>         > > > > > Subject: A Direct Mapping of Relational Data to RDF
>         is FPWD
>         > > > > >
>         > > > > >
>         > > > > > All,
>         > > > > >
>         > > > > > Congrats to the team, esp. a big thanks to the
>         editors - "A Direct
>         > > > Mapping
>         > > > > > of Relational Data to RDF" [1] is now published as
>         FPWD.
>         > > > > >
>         > > > > > Cheers,
>         > > > > >      Michael
>         > > > > >
>         > > > > > [1] http://www.w3.org/TR/rdb-direct-mapping/
>         > > > > >
>         > > > > > --
>         > > > > > 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
>         > > > >
>         > > >
>         > > >
>         > > >
>         > > >
>         > >
>         > >
>         > >
>         > >
>         
>         
>         --
>         -ericP
> 

Received on Thursday, 18 November 2010 21:34:42 UTC