[Crm-sig] Homework: New class Externalization for LRMoo

patrick.le-boeuf at bnf.fr patrick.le-boeuf at bnf.fr
Mon May 13 11:45:12 EEST 2019

Dear Martin, and dear all,
I'm sorry I couldn't attend the meeting, and I'm therefore not aware of 
the discussions that underlie this scope note. I think that the idea of 
declaring a specific class for the process of conveying information in a 
sensory form (for this is how I understand this new class) is extremely 
useful and interesting, so much so that I think it shouldn't be confined 
to LRMoo alone, but should be uplifted into CIDOC CRM, with additional 
examples taken from the universe of discourse of CIDOC CRM (such as a 
sculptor making a sculpture, an art student painting a copy of Mona Lisa, 
the Greek runner notifying Athenian citizens that their soldiers have won 
the Marathon battle, etc. -- perhaps even Martin or Steve giving a CIDOC 
CRM tutorial?).
In the proposed scope note, which is overall fine with me, I simply have 
some doubts about the clause "intended for being received in this 
completeness by some audience"; while I agree that this is generally the 
case, there are also many counter-examples: rehearsals are instances of 
Externalization Event, although the intention is only indirect here 
(performers rehearse in order to improve what the audience will receive in 
a later event); a teenager writing a diary may not want any audience to 
read the externalized Expression, and it is unclear whether Franz Kafka or 
Emily Dickison were OK with the idea of having their externalized 
Expressions reach an audience, as they requested that all their 
manuscripts be destroyed after their death; and I'm also thinking of 
Mediaeval and Eastern performances which are only intended to be seen by 
God or the gods (unless we regard God or the gods as a valid instance of 
audience). However, it is possible to solve the issue by saying that the 
instances of E39 Actor who externalize such Expressions are themselves 
their own audience, possibly the only audience for which those complete 
Expressions are intended.
As for the label for the new property, rather than "has memorization", I 
would think of something like "Rxx is witnessed in / is a witness of" (in 
the sense of codicology and textual criticism: manuscripts are called 
"witnesses" of a text tradition). The resulting Expression is but a 
"witness" of what happened during the Externalization Event.
At any rate, congratulations for this significant addition to the model, 
no matter whether it is LRMoo or CIDOC CRM!
Best wishes,

De :    "Martin Doerr" <martin at ics.forth.gr>
A :     "crm-sig" <Crm-sig at ics.forth.gr>
Date :  12/05/2019 21:38
Objet : [Crm-sig] Homework: New class Externalization for LRMoo
Envoyé par :    "Crm-sig" <crm-sig-bounces at ics.forth.gr>

Dear All,

Here the scope note for the new class "Externalization Event" proposed in 
the last meeting. This unifies the expression creation with the 
performances on a higher level.

The idea being, that the "true" expression is always the activity, often 
being accidental what is recorded and in which way. The manuscript writing 
can be seen as a lone performance, with a patient paper under the hand 
holding the pen;-).

Fxx Externalization Event 
Subclass of:        E7 Activity
Superclass of:     F28 Expression Creation (may be superclass of E65 
                              F31 Performance 
Scope note:         This class comprises activities of producing signs or 
sensory impressions as an organized, coherent and complete whole,intended 
for being received in this completeness by some audience, either directly 
via their senses or via persistent media at any later time. It comprises 
in particular novel expressions of thought, art in all forms, including 
rendering existing expressions, such as musical scores, theater plays or 
texts, in an individual way in performing arts or by graphic design. 
Examples:          The creation of the original manuscript score of 
‘Uwertura tragiczna’ by Andrzej Panufnik in 1942 in Warsaw (F28)
The reconstruction from memory of the manuscript score of ‘Uwertura 
tragiczna’ by Andrzej Panufnik in 1945 after the original score was 
destroyed during the war (F28)
Performing the ballet entitled ‘Rite of spring’, as choreographed by Pina 
Bausch, in Avignon, at the Popes’ Palace, on July 7, 1995 [individual 
performance] (F31)
Performing the operatic work entitled ‘Dido and Aeneas’, as directed by 
Edward Gordon Craig and conducted by Martin Shaw, in London, Hampstead 
Conservatoire, on May 17, 18, and 19, 1900 [run of performances] (F31)
Properties:          R19 created a realisation of (was realised through): 
F1 Work
The property R19 goes up from F28 to new class. We need a more general 
property from the Externalization Event to the persistent expressions it 
produced or contributed to, be it a manuscript, a recording, a painting of 
a theater scene. This property should generalize over R17 created (was 
created by): F2 Expression. 
I could think of "Rxx has memorization in: F2 Expression".
The point is, that the persistent Expression could be a product directly 
of the "externalizers" or by the a member of the audience. If an author 
dictates a text to a scribe, or Platon reporting Sokrates, there is not 
much difference to someone taking video from a theater performance. This 
means, that the range of "Rxx has memorization in: F2 Expression" may or 
may not be product of another expression creation. It will however always 
require presence of the secondary creators in the primary externalization 
(or of a robot recording device).
Looking forward to your comments!
 Dr. Martin Doerr
 Honorary Head of the  
 Center for Cultural Informatics
 Information Systems Laboratory 
 Institute of Computer Science 
 Foundation for Research and Technology - Hellas (FORTH) 
 N.Plastira 100, Vassilika Vouton, 
 GR70013 Heraklion,Crete,Greece 
 Email: martin at ics.forth.gr 
 Web-site: http://www.ics.forth.gr/isl 
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