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

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


> > >
> > > 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
>