dbedford@xxxxxxxxxxxxx wrote: (01)
>All,
>
>This is exactly a point I will illustrate in the approach to building an
>ontology next week. The context is critical. You will never solve the
>semantic problems unless you can contextualize. And, we will forever argue
>about words and ideas and concepts - and never make any substantial progress.
>This is why you cannot really tackle the semantic problems from the top down -
>it will never work except at such a primitive level that the results are
>meaningless.
>
>Entity here is being used in the context of a reference model. It is a
>representation or data structure which includes attributes and can be
>decomposed
>into elements. If I were to use the concept entity as a descriptor within an
>attribute that context would give it a different meaning.
>
>
In system engineering, Michael Jackson (be careful about the context of
name resolution here...)
wrote a book called "Problem Frames" -- see: http://www.ferg.org/pfa/. (02)
What you describe as the "context of a reference model" would be in PFA
the specification of a problem frame
for a specific domain of interest. In this view, then the moreling of
entities and relationships you describe
seem to me to correspond to an ontological specification of a problem frame. (03)
>We must expect multiple meanings, and not assume that without contextualization
>there can be any resolution. This is simply the way the human brain works -
>and it is the way that an ontology needs to work, too.
>
>
Ok; when you have defined a suitable ontology to make statements about a
specific context (i.e., problem frame),
then we need a separate ontology to make statements about what we want
to achieve in this context; i.e., somewhere,
there is a problem to solve; this means some kind of
task/process/activity specification. (04)
IMHO, this discussion is about specifying what "tagging ontolog" means
as a problem frame.
This means, if I understand Denise' point, that we need to describe what
entities/relations
we want to use to write ontological statements that are semantically
precise when interpreted
in the context of the "tagging ontolog" problem frame. (05)
-- Nicolas. (06)
>Best regards,
>Denise
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> (07)
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