Dear Antoinette, (01)
Well I think this is only part of what you need to look at. Logic
based ontology languages have elements that are both classes and
instances. When you translate that into a database, the instances
become database records. Therefore there is a key design decision
about what in your ontology to have in the database structure, and
what to hold as data. (02)
Apart from that, and looking at what Chris mentions below, my
experience is that different languages have different capabilities
and limitations, and you need to first of all look at the limitations
in your source format, and try to make sure when you translate, not
to introduce the unintended limiations from the first language in
the second. (03)
Regards (04)
Matthew (05)
PS. Note to Chris on contradictions: (06)
Data models are ontologies
Common Logic has a Data Model
Therefore Common logic is NOT an ontology??? (07)
> -----Original Message-----
> From: ontolog-forum-bounces@xxxxxxxxxxxxxxxx
> [mailto:ontolog-forum-bounces@xxxxxxxxxxxxxxxx]On Behalf Of Arsic,
> Antoinette
> Sent: 20 October 2006 17:05
> To: [ontolog-forum]
> Subject: Re: [ontolog-forum] Ontology and Databases
>
>
> Yes, that better rephrases my question.
>
> Thanks,
> Antoinette
>
>
> ------------------------------
> Antoinette Arsic , Information Scientist, M.S.
> The MITRE Corporation
> 703-983-5286 (office)
> 443-567-2703 (cell)
>
>
>
>
> -----Original Message-----
> From: ontolog-forum-bounces@xxxxxxxxxxxxxxxx
> [mailto:ontolog-forum-bounces@xxxxxxxxxxxxxxxx] On Behalf Of
> Christopher Menzel
> Sent: Friday, October 20, 2006 11:44 AM
> To: [ontolog-forum]
> Subject: Re: [ontolog-forum] Ontology and Databases
>
> On Oct 19, 2006, at 6:48 AM, Arsic, Antoinette wrote:
> > I'm in desperate need of knowledge on how to move from an ontology
> > to a
> > data model or how to develop the two together - I'm in a position
> > where
> > we are developing the ontology and data model simutaneously (uggh),
> > just because that is how it has to be.
>
> I'm not sure I understand the question. From a logical point of
> view, a well-defined data model just *is* a type of ontology. So,
> from that perspective, to develop a data model is to develop an
> ontology. I'm suspecting therefore that your question has to
> do more
> with how to express the same ontology (in the logical sense) in both
> a specific data modeling language like ER and a specific ontology
> language like OWL-DL. Is that your question?
>
> Chris Menzel
>
>
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