RE: ItemList

On Wednesday, May 14, 2014 12:57 AM, Gregg Kellogg wrote:
> On May 13, 2014, at 2:37 PM, Wallis,Richard wrote:
> > On 13 May 2014, at 22:02, Niklas Lindström wrote:
> > > (See also RDF lists, available through @inlist in RDFa, or @list in
> > > JSON-LD. These should be judiciously used, when the order is
> > > intrinsic and meaningful in itself.)
> > 
> > A useful approach for RDFa & JSON-LD but not much help for those
> > applying Microdata, RDFa Lite, or maybe even harvesting the data into
> > raw RDF.

It's actually just a syntactic *shortcut* to use terms defined by a
different vocabulary, namely RDFS.

> Microdata does support Lists, but we would need to update the
> Registry to indicate that schema:itemMember is sequenced
> (multipleValues: ordered). Of course, the registry is woefully out of
> date. I suggested a while ago that we might want to re-address
> Microdata to RDF and have it use the JSON-LD context associated with
> the vocabulary for this purpose instead. That way, if schema publishes
> a context that says that itemMember has @container: @list, a processor
> would automatically pick that up.


> IMO, RDFa Lite has served it's purpose, and if concepts such as @rev
> and @inlist are useful, examples should use it.


Markus Lanthaler

Received on Wednesday, 14 May 2014 17:23:20 UTC