John,
>
>Pavithra,
>
>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)
>John
>
>
>
>
>
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> (05)
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