RE: RDF -- venn diagram for resources, literals, properties, statements?

Predicates vs Properties


On another list, Graham said ...
> I think you need to be careful to distinguish between things in the
> syntactic domain (including the RDF abstract syntax) and things in the
> semantic domain:
>
> Syntax:
>    Graph
>    RDF Triples
>    Subjects
>    Predicates
>    Objects
>    Literals - plain and typed
> -- [1] http://www.w3.org/TR/rdf-concepts/#section-Graph-syntax
>
> Semantic:
>    Interpretation (I)
>    Resources of I (IR)
>    Properties of I (IP)
>    Literal values of I (LV)
> -- [2] http://www.w3.org/2001/sw/RDFCore/TR/WD-rdf-mt-20030117/#interp
>
> There was some discussion that "Statement" should refer to (roughly) the
> semantic interpretation of a triple.  I can find no specific
> reference for
> this.

is the predicate vs properties distinction one that we are making in our
documents? It looks plausible to me, but I've not seen it articulated
before.

Jeremy