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[ontolog-forum] Ontology-based database integration

To: "[ontolog-forum]" <ontolog-forum@xxxxxxxxxxxxxxxx>
From: "Len Yabloko" <lenya@xxxxxxxxxxxxx>
Date: Tue, 20 Oct 2009 14:46:42 +0000
Message-id: <W49389229964221256050002@webmail33>
>This thread wandered all over the map, but I'd like to
>return to the original point:    (01)

The original point was about using ontology to generate semantically compatible 
models of data, so that it can be integrated.      (02)

>PK> For a fish like tadpole to grow into a frog, a moth turning
> > into a butterfly... in a natural setting is called metamorphosis..
> >
> > In my opinion,  It is easier to use the existing classification
> > schema that is well defined for modeling.
>Yes indeed.  And for plants and animals, it's the taxonomy of
>species.  For that taxonomy, it's irrelevant whether they evolved
>from earlier forms or were created independently.  The simple
>fact is that for all animals, being an animal is fundamental.
>A fish or an elephant cannot stop being an animal as long as
>it exists.  But it can be taken out of its normal environment
>without ceasing to exist.
>An animal that grows from an egg to an adult changes in many
>ways, some more drastic than others.  But it always remains
>an animal.
>That is why being an animal is essential, but many other
>properties are accidental.
>    (03)

How is that to be decided when integrating data about animals?
What is essential property for a given application of data?    (04)

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