W3C home > Mailing lists > Public > public-rdf-dawg@w3.org > April to June 2009

Re: ProjectExpressions examples

From: Axel Polleres <axel.polleres@deri.org>
Date: Tue, 16 Jun 2009 14:34:10 +0100
Message-ID: <4A379F52.3010405@deri.org>
To: Kjetil Kjernsmo <Kjetil.Kjernsmo@computas.com>
CC: public-rdf-dawg@w3.org
Kjetil Kjernsmo wrote:
> All,
> I've tried to faithfully distill examples of ProjectExpressions from the 
> discussion we had (thanks for contributing!), and put it in the wiki:
> http://www.w3.org/2009/sparql/wiki/Feature:ProjectExpressions#Example
> I decided to keep fn:concat(), since it was a pretty useful example of 
> something one may want to do and indeed, the arguments against it 
> weren't very strong. I put a reference to Xpath F&O in our F&R, and I 
> use that reference in the wiki.
> Then, I put in only one example of a CONSTRUCT, the one with a subquery. 
> While I felt this is a bit too complex for the examples of this 
> document, it seems to me that it is also quite clear how it should be 
> done. As opposed to a CONSTRUCT where the function is in the 
> ConstructTemplate, which is very useful and interesting, but it seems to 
> require more discussion, especially to make it stand apart from the list 
> shorthand syntax. I put a reference to the subquery section along with it.
> I think what is now in the wiki is acceptable, but I have not yet 
> committed it to the document. I'd like to encourage those who are 
> interested to make edits to it, and I'll commit what is there just 
> before the teleconf.

I re-entered the CONSTRUCT template version, though I felt bad with it 
being removed without discussion. Instead, I added a TODO reflecting the 
issue and linking to Andy's mail, cf.

Also cleaned up the PREFIXes and aligned the use of foaf:surname 
foaf:givenname among the SELECT and CONSTRUCT example.


Dr. Axel Polleres
Digital Enterprise Research Institute, National University of Ireland, 
email: axel.polleres@deri.org  url: http://www.polleres.net/
Received on Tuesday, 16 June 2009 13:34:49 UTC

This archive was generated by hypermail 2.3.1 : Wednesday, 7 January 2015 15:00:56 UTC