Dear Guenther,

Guenther Goerz wrote:
Dear Joao,

On 11/6/08, João Oliveira Lima <[email protected]> wrote:
Dear Guenther and Christian-Emil,

     About your brief comment, I think that the "E55 Type as concept" is
correct. The terms (or Labels) which concepts are knowed should be modelled
in another class.

I fear I don't get your point.  So, let me explain in more detail what
I meant:  Referring to the last paragraph in Christian-Emil's text, if
we introduce the type "artist" we could take this term from a
thesaurus like the AAT.  I would not presuppose that such a technical
term must have in any case the status of a concept, because then I
would exclude term lists and thesauri which talk just about technical
terms.  Maybe I have a more rigid use of "concept" because I do not
regard it as synonymous to "technical term": Technical terms are just
normalized words as in a controlled language, whereas concepts result
from an abstraction process.  And I think to keep the destinction
between "concept" and "technical term" is important from a
methodological point of view.  If such a term is embedded in a
"norrower/broader term" hierarchy in a thesaurus --- as one would
expect --- one can of course navigate in this hierarchy as well,
keeping in mind that "narrower/broader term" is not the same relation
as "sub/super-concept" in a concept hierarchy.

This should be regarded as bad practice and should not be our concern.
SKOS is clear about the distinction of concepts and terms, which are 
Appellations.
There are no BT/NT links between terms.

From the CRM, we are interested in compatibility with SKOS. E55 Type is the 
interface
to SKOS Concept.

Best,

Martin

So, w.r.t. the practical use of E55, I would argue to keep the system
as open as possible from a methodological point of view and not
exclude to take terms for E55 Types from thesauri of the kind
mentioned above from the very beginning.

     Making an analogy with FRBRoo entities, the "E55 Type" is located at
same level of "F21 Individual Work" (abstract entity, without symbols or
names), and the "E44 Appellation" (or Exx Type Appellation") is located at
same level of "F2 Expression" (symbolic entity).

If this was the idea of the authors of FRBRoo I must confess that I do
not share the --- in my view rather obsolete --- metaphysical
assumption of abstract entities without symbols or names.

Regards,
-- Guenther Goerz


Joao Oliveira Lima


On Wed, Nov 5, 2008 at 9:59 PM, Guenther Goerz <[email protected]>
wrote:

A brief comment: In the first paragraph you write that instances of
E55 Type represent concepts.  I think this is unnecessarily
restrictive: They can just be terms (e.g. in a thesaurus) --- without
the claim that they must be concepts, i.e. results of an abstraction
step.


Cordially,
-- Guenther Goerz


------------------------------------------------------------------------
Prof. Dr. Guenther Goerz            Fon: (+49 9131) 852-8701; -8702
Univ. Erlangen-Nuernberg            Fax: (+49 9131) 852-8986
Department Informatik  8/KI         goerz  AT informatik.uni-erlangen.de
Haberstrasse 2                      ggoerz AT csli.stanford.edu
D-91058 ERLANGEN

http://www8.informatik.uni-erlangen.de/inf8/en/goerz.html




On 11/5/08, Christian-Emil Ore <[email protected]> wrote:
Dear all,
 I attach a draft of a "about types".

 It is based on the new scopenote, the orignal text, Martin's new and
the
comments from Erlangen.

 Regards,
 Christian-Emil




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