- From: Sandro Hawke <sandro@w3.org>
- Date: Thu, 21 May 2009 20:05:24 -0400
- To: Axel Polleres <axel.polleres@deri.org>
- cc: public-rdf-text@w3.org
> Sandro Hawke wrote: > > Can't we just say, as strongly as we need to, that rdf:text is NOT for > > use in RDF? Instead it is for use in *non-RDF* systems which use XML > > datatypes and want interoperability with RDF's language-tagged literals? > > > > I know that hasn't been made very clear, to date. New title: > > > > rdf:text -- an equivalent to RDF Plain Literals for non-RDF systems > > > > We can be more precise about this in the body -- I like Dave Reynold's > > description of how RIF is not an RDF system, but is still compatible -- > > but mostly this just seems like a PR problem. > > > > I think there's also an open question of whether to allow empty language > > tags, and whether RDF plain literals without language tags should be > > mapped to xs:strings instead of rdf:text, but I bet we can solve those a > > lot more easily after we're clear about rdf:text's place in the world. > > > > -- Sandro > > All, > > I am personally fine with this and/or Andy's suggested wording: > Maybe doing both the title change and adding the respective paragraph is > no harm... > > One last proposal (if you think changing this is at all feasible): > > Wouldn't it make things MUCH clearer than if we change the name to the > datatype to just > > rdf:PlainLiteral > > I have the feeling that with that name the intention is much clearer > than rdf:text and somewhat it even "hints" why it is not a good idea to > use it in RDF systems, since in RDF systems there is already a unique > standard syntax for plain literals. +0.5 I like the idea, but I hesitate because in speech "RDF Plain Literal" and "rdf:PlainLiteral" are likely to sound the same, and that may lead to some confusion. -- Sandro > E.g. (modifying Andy's proposed text accordinglt:) > """ > Systems that employ SPARQL with entailment regimes that cover > D-entailment of rdf:PlainLiteral, MUST expose their results in the RDF > forms. This condition is met when the scoping graph contains literals > in the RDF forms plain literals and xsd:string and does not mention > rdf:PlainLiteral as a datatype. > """ > > Opinions? > > One thing I am not sure still: It was pointed out that we cannot prevent > people from writing graphs using rdf:text as a datatype explicitly. > Is that a problem? > > Axel > > > -- > Dr. Axel Polleres > Digital Enterprise Research Institute, National University of Ireland, > Galway > email: axel.polleres@deri.org url: http://www.polleres.net/
Received on Friday, 22 May 2009 00:05:34 UTC