- From: Juan Sequeda <juanfederico@gmail.com>
- Date: Thu, 18 Nov 2010 15:10:18 -0600
- To: Alexandre Bertails <bertails@w3.org>
- Cc: Alex Miller <alexdmiller@yahoo.com>, "Eric Prud'hommeaux" <eric@w3.org>, Michael Hausenblas <michael.hausenblas@deri.org>, RDB2RDF WG <public-rdb2rdf-wg@w3.org>
- Message-ID: <AANLkTimJsDyYN8x7qomZ2BXM9D43+BL=XxG3Ljrc7aSM@mail.gmail.com>
> > > > 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" > > 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 > > > > > > > > > > > > > > >
Received on Thursday, 18 November 2010 21:11:13 UTC