Thanks John and Pat (01)
I admit, I had a broad range of reactions to that statement (02)
> # the predicate is the word "creator"
(shrieeekkk, what?, surpise, dispair, bewilderment, incredulity) (03)
Maybe thats because the semantic web is being designed by
mathematicians and computer scientists, who have little appreciation
for natural language? (04)
>
> >why would RDF not reflect/embed/support a basic rule of linguistic semantics?
>
> Why would it? (05)
1. Because RDF is a framework to provide a structure to natural
language which is part of the linguistics domain. If I need to get
'reasoners' to work with RDF then I need to have the logic expressed
by the language reflected by the semantic structure, else I have 'loss
of meaning' big time (06)
2. otherwise RDF will not work for many applications (07)
> >is the question ill posed, or is RDF ill posed, in this respect?
> > (08)
I
> >
> >On 1/2/08, Chris Menzel <cmenzel@xxxxxxxx> wrote:
> >> On Tue, 1 Jan 2008, paola.dimaio@xxxxxxxxx wrote:
> >> > Coming from a linguistic background, I have always thought that
> >> > predicate is a verb
> >>
> >> Actually, the predicate of a sentence is usually identified with a verb
> >> *phrase*, the part of the sentence that "makes the assertion about the
> >> subject", as in your definition:
> >>
> >> > CF. The predicate of a sentence is the part of the sentence that makes
> >> > the assertion about the subject. The main part of the predicate is a
> >> > finite verb (which must be present). The predicate can be a verb
> >> > alone, or a verb and other words related to it. ...
> >> > www.ntgreek.org/learn_nt_greek/terms.htm
> >>
> >> Thus, e.g., the predicate of "John runs" is "runs" and the predicate of
> >> "John loves Mary" is "loves Mary".
> >>
> >> > but on the W3C spec, there is no such requirement/constraint
> >> >
> >> > http://www.w3.org/TR/rdf-concepts/#ref-rdf-semantics
> >> >
> >> > Is there no such implication that predicate must be a verb in rdf?
> >>
> >> The question is ill-formed, as there is no such concept as "verb" in
> >> RDF. Indeed, there are no predicates per se in RDF, there are only
> >> names (more specifically, URIs and literals) which denote "resources".
> >> "predicate" itself just indicates a *role* that a name can play in an
> >> RDF triple -- it is the name that "connects" the other two names in the
> >> triple. Any name can be the predicate in a triple. That said, if an
> >> RDF triple is used to represent a simple natural language sentence like
> >> "John loves Mary" -- "<ex:j> <ex:l> <ex:m>", say -- the predicate in the
> >> triple "<ex:l>" does in fact correspond to the verb in the sentence in
> >> question.
> >>
> >> The W3C RDF semantics document (authored chiefly by Pat Hayes)
> >> http://www.w3.org/TR/2004/REC-rdf-mt-20040210 provides a very clear
> >> account of these matters, though, it assumes some familiarity with basic
> >> mathematical logic and set theory.
> >>
> >> -chris
> >>
> >>
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> >>
> >
> >
> >--
> >Paola Di Maio
> >School of IT
> >www.mfu.ac.th
> >*********************************************
> >
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> (09)
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