- From: Polleres, Axel <axel.polleres@siemens.com>
- Date: Wed, 14 Mar 2012 11:37:49 +0100
- To: Andy Seaborne <andy.seaborne@epimorphics.com>, "public-rdf-dawg@w3.org" <public-rdf-dawg@w3.org>
> Could you expand on "we need DISTINCT"? Is that just a > technical point that DISTINCT covers more or a political > point about the comments? I think it is a technical point, since a DISTINCT-paths semantics which can be efficiently implemented by DISTINCT subqueries alone, at least not trvially... While I do think that DISTINCT() can possibly be defined in terms of a rewriting which introduces fresh variables for blank nodes -- Dr. Axel Polleres Siemens AG Österreich Corporate Technology Central Eastern Europe Research & Technologies CT T CEE Tel.: +43 (0) 51707-36983 Mobile: +43 (0) 664 88550859 Fax: +43 (0) 51707-56682 mailto:axel.polleres@siemens.com > -----Original Message----- > From: Andy Seaborne [mailto:andy.seaborne@epimorphics.com] > Sent: 14 March 2012 11:02 > To: public-rdf-dawg@w3.org > Subject: Re: DISTINCT() > > On 14/03/12 09:48, Polleres, Axel wrote: > > Just my two cents to emphasize that I tend to agree on > that: I believe > > we need DISTINCT() to address JC-4 and related comments in > a fashion > > agreeable to the commenters. > > Could you expand on "we need DISTINCT"? Is that just a > technical point that DISTINCT covers more or a political > point about the comments? > > What about the lesser case of just {*}{+} and *+ changes? > > Andy > >
Received on Wednesday, 14 March 2012 10:38:23 UTC