- From: Peter Ansell <ansell.peter@gmail.com>
- Date: Thu, 3 May 2012 14:29:07 +1000
- To: Johan De Smedt <johan.de-smedt@tenforce.com>
- Cc: Bob DuCharme <bob@snee.com>, public-esw-thes@w3.org
Supporting language tags in RDF-1.1 is one downside of throwing away the concept of a plain literal. The issue seems to be closed in the workgroup [1] with the resolution as documented on [2]. [1] http://www.w3.org/2011/rdf-wg/track/issues/71 [2] http://lists.w3.org/Archives/Public/public-rdf-wg/2011Sep/0083.html On 3 May 2012 14:08, Johan De Smedt <johan.de-smedt@tenforce.com> wrote: > Hi Peter, Bob, > > > > If a change is needed, would rdf:PlainLiteral > (http://www.w3.org/TR/rdf-plain-literal/) be a candidate to support language > tags? > > > > Kind Regards, > > > > Johan De Smedt > >> -----Original Message----- > >> From: Peter Ansell [mailto:ansell.peter@gmail.com] > >> Sent: Thursday, 03 May, 2012 01:01 > >> To: Bob DuCharme > >> Cc: public-esw-thes@w3.org > >> Subject: Re: future of SKOS constraint S12 in an RDF 1.1 world? > >> > >> Hi Bob, > >> > >> That is unusual that the SKOS spec did not allow for xsd:string > >> literals at the time. People have been typing string literals as > >> xsd:string since well before SKOS came around. > >> > >> If one interprets the SKOS spec liberally with respect to RDF-1.1 then > >> it would make sense to simply read "plain literals" as "xsd:string > >> typed literals". The basis for this pragmatic change would be that > >> "plain literals" will have no meaning soon, even if RDF-1.0 documents > >> are still going to be readable by RDF-1.1 parsers. > >> > >> Is it a big issue to change the SKOS spec? > >> > >> Cheers, > >> > >> Peter > >> > >> On 2 May 2012 23:00, Bob DuCharme <bob@snee.com> wrote: > >> > At http://www.w3.org/TR/2009/REC-skos-reference-20090818/#L1329 the SKOS > >> > spec says the following for constraint S12: "The rdfs:range of each of > >> > skos:prefLabel, skos:altLabel and skos:hiddenLabel is the class of RDF >> > plain > >> > literals." As I understand this, the triple {:myConcept1 skos:prefLabel >> > "my > >> > home page"^^xsd:string} violates this constraint, but wouldn't if the >> > object > >> > was just "my home page". > >> > > >> > At http://www.w3.org/TR/rdf11-concepts/#section-Graph-Literal, the RDF >> > 1.1 > >> > Concepts and Abstract Syntax says "This section is a major departure >> > from > >> > RDF 2004 as simple literals are now treated as syntactic sugar for > >> > xsd:string typed literals." > >> > > >> > If simple literals are treated as xsd:string typed literals, what would >> > this > >> > mean for constraint S12? > >> > > >> > thanks, > >> > > >> > Bob > >> > > >> > > >> > > >> >
Received on Thursday, 3 May 2012 04:29:37 UTC