RE: the composite ID attribute

> > RDF could make use of a URI with an XPointer portion, which
> > in turn could
> > identify items in a manner close to what you suggest. It
> > wouldn't match the
> > use of IDs in RDF/XML all that closely though. Indeed I'm
>
> Could you elaborate for me? I thought that RDF already used URI with
> (bareword) XPointer to generate a URI-ref.

True. It would also be possible to use a URI that used more features of
XPointer in the rdf:about or rdf:resource attributes. I can't think of this
having much value in identifying features of an RDF document, but I could be
useful in identifying a sub-resource that something is rdf:about.