- From: Ivan Herman <ivan@w3.org>
- Date: Fri, 30 Nov 2012 15:29:01 -0500
- To: Dan Brickley <danbri@google.com>
- Cc: W3C Web Schemas Task Force <public-vocabs@w3.org>, Gregg Kellogg <gregg@greggkellogg.net>
On Nov 30, 2012, at 15:26 , Dan Brickley wrote: > On 30 November 2012 20:21, Ivan Herman <ivan@w3.org> wrote: >> Dan, >> >> a very specific additional step: >> >> [snip] >>> >>> >>> 3. Class/Property >>> >>> There are several cases (including the above-mentioned Actions draft) >>> where it is useful within schema.org to have a first class type >>> representing the notion of 'Class', and of 'Property'. This is rather >>> meta and while it is not something designed for mainstream webmasters >>> to encounter, it will help with structuring and documenting the >>> vocabulary. >>> >>> I have written up a proposal for adding these (and aliasing them to >>> rdfs:Class, rdf:Property) at >>> http://www.w3.org/wiki/WebSchemas/SchemaDotOrgMetaSchema ...alongside >>> a proposal to use schema.org/domainIncludes and >>> schema.org/rangeIncludes in our RDFa representation of the schema. >>> >> >> What this also means is that the registry (see also [1,2]) used for the microdata->RDF conversion at >> >> http://www.w3.org/ns/md >> >> should be extended for schema.org with: >> >> 'Class' : { subPropertyOf: http://www.w3.org/2000/01/rdf-schema#Class } >> 'Property' : { subPropertyOf: http://www.w3.org/1999/02/22-rdf-syntax-ns#Property } >> >> Correct? If so, I will add those. > > Sounds about right, though I'd suggest holding off for now. We might > have more feedback to consider. Or we might add a few more terms... Sure, I have not updated anything yet:-) Ivan > > Dan > >> Ivan >> >> >> >> [1] http://www.w3.org/TR/2012/NOTE-microdata-rdf-20121009/#vocabulary-registry >> [2] http://www.w3.org/TR/2012/NOTE-microdata-rdf-20121009/#vocabulary-expansion >> >> >> ---- >> Ivan Herman, W3C Semantic Web Activity Lead >> Home: http://www.w3.org/People/Ivan/ >> mobile: +31-641044153 >> FOAF: http://www.ivan-herman.net/foaf.rdf >> >> >> >> >> > ---- Ivan Herman, W3C Semantic Web Activity Lead Home: http://www.w3.org/People/Ivan/ mobile: +31-641044153 FOAF: http://www.ivan-herman.net/foaf.rdf
Received on Friday, 30 November 2012 20:29:27 UTC