Dear Wolfgang
On 3/12/2012 4:55 μμ, Wolfgang Schmidle wrote:
Thanks! I am perfectly happy with a set theoretic explanation.
The reason I had explicitly ruled out E55 was that according to its
Scope note it comprises "terms from thesauri and controlled
vocabularies". It seems to me that neither thesaurus nor controlled
vocabulary applies in our case. There is a data field "Klassifizierung"
with e.g. "Ideal Gottheit weiblich", but the Typus itself is described
as e.g. "Aphrodite Kallipygos" or "Aphrodite Kyrene", which seems like
an open list rather than a potentially exhaustive list. Or does our
Typus list itself constitute a thesaurus or controlled vocabulary
because at any given time it is a controlled list, even though a new
Typus can be added at any time?
Yes, "controlled list" only means that terms are controlled before they
are entered,
to avoid redefinitions and other quality problems. In case a term is
accompanied by a
description, we can always regard the list as "controlled".
May be there is an issue to extend the scope note.
Best,
Martin
Wolfgang
Am 03.12.12 14:55, schrieb martin:
Dear Wolfgang,
It is indeed E55 Type, in the German translation of the CRM "E55 Typus"
. The crucial distinction for the CRM
are not the scholarly associations you refer to here, but the fact that
a "Typus" denotes a set ("Menge")
of things with the same characteristics, and not a particular object. An
"prototype" is a particular
object, which is a good representative of a particular "Typus", and
hence, not a Typus itself.
The CRM does not go into analysis of Platonic concepts, that would not
be useful for such a simple information integration schema ;-) .
The CRM does not analyse further E55 Type, for instance into visual form
type, functional types, types
by construction principle etc., because this is not necessary to
integrate information about the same instance of
E55 Type.
Does that help?
Martin
On 3/12/2012 1:30 μμ, Wolfgang Schmidle wrote:
Dear all,
I am looking for the appropriate entity for "Typus" ("type", or maybe
"archetype" or "prototype"). For example, a Greek sculpture creates a
type that is imitated by Roman sculptures. However, Typus does not only
apply to sculptures, and there may or may not be a physical prototype.
Apparently it's not E55 Type. Candidates seem to be
* E28 Conceptual Object
** E89 Propositional Object: "... conceptual items such as types and
classes are not instances of E89 Propositional Object [but E55 Type?].
This should not be confused with the definition of a type, which is
indeed an instance of E89 Propositional Object."
** E90 Symbolic Object
*** E73 Information Object
**** E36 Visual Item: "This class does not intend to describe the
idiosyncratic characteristics of an individual physical embodiment of a
visual item, but the underlying prototype."
***** E38 Image: "The original painting of the Mona Lisa in the Louvre
may be said to bear the same instance of E38 Image as reproductions in
the form of transparencies, postcards, posters or T-shirts ..."
This example from E89 seems to fit: The underlying prototype of any
“no-smoking” sign (E36). Does E36 apply to 3D objects as well?
Thanks,
Wolfgang
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