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represent an official company view. (01)
Anders, (02)
I'm not sure that this distinction brings us much further than
the older distinction between conceptual data models and physical data
models with the concept of ontology being equivalent to documentation. (03)
Sean Barker
BAE SYSTEMS - Advanced Technology Centre
Bristol, UK
+44(0) 117 302 8184 (04)
BAE Systems (Operations) Limited
Registered Office: Warwick House, PO Box 87, Farnborough Aerospace
Centre, Farnborough, Hants, GU14 6YU, UK
Registered in England & Wales No: 1996687 (05)
> -----Original Message-----
> From: ontolog-forum-bounces@xxxxxxxxxxxxxxxx
> [mailto:ontolog-forum-bounces@xxxxxxxxxxxxxxxx] On Behalf Of
> opensource@xxxxxxxxxxxxx
> Sent: 20 May 2008 17:04
> To: [ontolog-forum]
> Subject: Re: [ontolog-forum] Data Models v. Ontologies (again)
>
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> Barker, Sean (UK) wrote:
> > A data model assumes a set of entities, and the choice of
> which entity
> > to use is implicit, both as natural language text in the
> data model,
> > and in the input processes of the system embodying the data
> model. A
> > data modeller is primarily concerned with meeting the information
> > requirements of the system rather than characterising the entities,
> > and records those aspects (attributes, properties,
> characteristics) of
> > the entity of relevance to the functioning of the system.
> An interesting aspect of the the ontology vs information
> model vs data model discussions may be what ISO points to:
>
> "data is; reinterpretable representation of information in a
> formalized manner suitable for communication, interpretation,
> or processing"
>
> Workable distinctions that I often use are that Ontology
> focus on communicating meaning, information model is a subset
> of ontologies suited and aimed for use by information systems
> and data models are focused on efficient structure,
> interpretation and processing by information systems.
>
> Data models tend to be linked to software implementation
> technologies and their inherit structure and processing
> models, examples include relational model with indexing and
> denormalization in datawarehouse applications and core
> component that is based on hierarchical and XML structure.
>
>
> /Anders
>
>
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> (06)
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