Sean and John, (01)
>
>Sean,
>
>All the ontologies that have been proposed so far have been
>collections of statements (often called axioms) in some
>version of logic. (02)
I think that you are talking about different ontologies here.
Using Semantic Web terminology the set of axioms is called "T-Box"
(if I not mistaken "T" refers to taxonomy or terminology or both)
The is also so called A-Box http://en.wikipedia.org/wiki/ABox (03)
>
> > I have noted the use of standard data models to exchange
> > incompatible data - incompatible not because the data
> > structures were different, but because the groundings
> > of the model were different.
>
>I don't know what you mean by the word "grounding" or the
>term "data model". (04)
It seems that Sean is calling T-Box a "data model" and his concern is that the
lattice of T-Boxes is not useful for some reasoning with A-Boxes.
What may be called a "grounding" is this context is another structure (may be
lattice) that orders A-Boxes. Then the question may be: how do these different
structures relate and what to call them. I don't know the answer. (05)
>
>If by grounding, you mean some part of the world for which
>some set of statements (or axioms) are true, then two
>identical sets of statements would be true of exactly the
>same parts of the world. Therefore, identical axioms would
>have identical grounding. (06)
If we accept T-Box/A-box distinction, the the statement above is not
necessarily true. (07)
>
>I don't know whether there is some confusion of terminology
>or a true disagreement.
> (08)
Neither do I. May be Pat H can help us. (09)
>John
> (010)
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