Re: what exactly is the conceptual model?

From: Bob Badour <>
Date: Tue, 03 Jul 2007 08:29:47 -0300
Message-ID: <468a3315$0$4315$>

DM Unseen wrote:

> On 3 jul, 00:24, Bob Badour <> wrote:

>>Senges wrote:
>>>hi list,
>>>i know about the basic distiction of data modelling as i heard it in
>>>my db couse:
>>>* semantic model --> ERM
>>>* logical model --> relational schema / XML schema
>>>* physical model --> hash tables / how to handle stuff on the
>>>and i heard about the conceptual modell / conceptual schema /
>>>conceptual modelling. however:
>>>* sometimes the semantic modell is explaint to be a conceptual modell,
>>>or .. conceptualization leeds to a semantic modell.
>>>* sometimes the logical modell is explaint to be a coceptual one (this
>>>way we learned it in our course).
>>>Now i'm writing about ontologies defined as, "a specification of an
>>>explicit conceptualization".
>>>Would you think this "conceptualization" refers to the semantic oder
>>>the logical model?
>>>thanx for any help,
>>Hi Chris,
>>If you use conceptual model as a synonym for semantic model, I think you
>>will translate your teachings into normal usage well enough. However,
>>while ERM is certainly popular, I think better conceptual modelling
>>methods exist.-
> Bob, chris,
> as a conceptual model I always look at NIAM based solutions like ORM
> or FCO-IM. These methodologies represent information based on
> vebralization, i.e. what is expressable(in the UoD) can be moddeled.
> DM Unseen.

Yes, those are certainly the better methods than ERM that I referred to. Received on Tue Jul 03 2007 - 13:29:47 CEST

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