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Re: [ontolog-forum] Model or Reality (was: Current Semantic Web LayerCak

To: "[ontolog-forum] " <ontolog-forum@xxxxxxxxxxxxxxxx>
From: Andreas Tolk <atolk@xxxxxxx>
Date: Mon, 6 Aug 2007 20:15:02 -0400
Message-id: <OF0B79B34A.3853D3FF-ON85257330.0001608B-85257330.0001608E@xxxxxxxxxxxxx>
>My PhD student Chuck Turnitsa and myself introduced the example of
>letterworld and numberworld for an upcoming AAAI discussion paper,
>which can serve to explain the principle: We have the observation of
>"reality" coming up with the the properties (or symbols to describe
>them): A1, B1, A2, B2, A3, B3. Observer One is interested in letters
>and builds to sets - or propertied concepts - to model this
>information: (A1, A2, A3) and (B1, B2, B3). Observer Two is
>interested in numbers and comes to (A1, B1), (A2, B2) and (C1, C2).
>Both use the same observation, same resolution, and the same scope,
>but they end up with different structures. 
Sorry, this is an example of reality shift when you write emails and drink some red wine in addition. (C1, C2) is not a reality shift or perception problem but a type. Obviously, observer Two models (A1, B1), (A2, B2), and (A3, B3).

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