On 1/12/2011 5:13 AM, Burkett, William [USA] wrote:
> Chris, Ed:
>
> So given your interpretation, if I have (1) an ontology written in OWL about,
>say, making a cup of coffee, and (2) another ontology written in CLIF (or KM
>language of your choice) that is about the exact same making-a-cup-of-coffee
>process, then they are two separate and distinct ontologies rather than
>different representations of the same ontology? That goes against my
>understanding conceptual modelling viz physical data modelling, and my
>understanding of the RDF abstract model viz the various representations of it.
> For a given set of concepts and relationships in my mind, there are many
>different physical ways to represent, manifest, or write them down. Why are
>ontologies different? If my coffee-making ontologies /are/ different
>ontologies, then what do you call the set of concepts that they share and
>represent?
Hi Bill, (01)
In my experience, the set of concepts related to making a cup of coffee
are best described as 'the requirements' for the ontology. These are
often sketched out in a document including some UML or PowerPoint
figures by an SME or are drawn from an existing database or application.
The requirements set the scope of the ontology as well, which is also
often documented so it can be agreed (how else do you know when you're
done?). (02)
Seems like you have in mind something far more formal wrt the set of
concepts/relations and so may actually have three ontologies ... where
the OWL and CLIF are (hopefully) equivalent ontologies to your first one
and to each other. (03)
Cheers,
David (04)
--
Principal Consultant
TopQuadrant, Inc.
US Phone +1 336-283-0606
UK Mobile +44 7788 561308 (05)
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