On May 20, 2013, at 6:43 PM, jmcclure@xxxxxxxxxxxxxx wrote: (01)
> ... If properties are, say, prepositions & verbs, then they must be without
>range or domain. Logically the RDF Model suggests doing exactly this, as it
>defines the term Statement composed of Subject Predicate Object, a very
>grammatical model. (02)
Don't be misled by the terminology. RDF is not very "grammatical", it is a very
restricted subset of first-order relational calculus (conjunction, existential
quantifier, binary relations.) It has no connection to English grammar. The
terminology you cite is being used formally, not descriptively. (03)
> Notionally "predicates" decompose to predicate-verb and -object, the latter
>being a Clause -- a subtype of Statement. Thus properties are named only as
>verbs & prepositions. (04)
The above is completely meaningless if it is supposed to apply to RDF. (05)
>
> Tenseless Amodal Properties. I'd like to know how you'd model this in RDF
>triples then
>
> past(Harry believes (John Know Bill)) (06)
You don't. RDF has no capacity for representing believes or knows. (07)
Pat (08)
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