- From: Birte Glimm <birte.glimm@comlab.ox.ac.uk>
- Date: Tue, 7 Sep 2010 19:24:21 +0100
- To: Axel Polleres <axel.polleres@deri.org>
- Cc: SPARQL Working Group <public-rdf-dawg@w3.org>
On 7 September 2010 17:33, Axel Polleres <axel.polleres@deri.org> wrote: > > On 7 Sep 2010, at 16:39, Birte Glimm wrote: > >> > G: >> > :s :p 1 >> > >> > Q: >> > SELECT ?L >> > WHERE { ?L a xsd:integer } >> >> I just added these test cases and I was wondering whether the 1 in the >> graph should not be "1"^^xsd:integer. Isn't it a SPARQL specific way >> of writing 1 as shortcu for "1"^^xsd:integer or is that also in >> Turtle? > > http://www.w3.org/TeamSubmission/turtle/ Section 2.4 allows this. Thanks. > >> Also, is a pure RDFS systems (without any additional datatype >> support) required to read any datatype? I imagine most systems will >> happily read properly typed literals and if 1 is a Turtle abbreviation >> for "1"^^xsd:integer, then it should be fine I guess, but I am not >> sure whether they MUST anything of the form "..."^^URI. > > That use case was meant for D-entailment, whereas the literal one was meant for RDFS. Ok. I'll add that as D-Entailment test case then. I tend to forget D-Entailment, but we do have it ;-) Birte > HTH, > Axel > > > >> Birte >> >> > Obviously, those will not give an answer, but some people might expect those to return surrogate blank nodes... a colleague of mine just came to me with that (in a different context), and I thought I might share it. >> > >> > Axel >> >> >> >> -- >> Dr. Birte Glimm, Room 309 >> Computing Laboratory >> Parks Road >> Oxford >> OX1 3QD >> United Kingdom >> +44 (0)1865 283520 >> > > -- Dr. Birte Glimm, Room 309 Computing Laboratory Parks Road Oxford OX1 3QD United Kingdom +44 (0)1865 283520
Received on Tuesday, 7 September 2010 18:47:06 UTC