[Crm-sig] Suggestion to FRBRoo

Stephen Stead steads at paveprime.org
Sun Nov 18 22:57:26 EET 2007


1] Having had a quick look at this it reeks of complexity, exceptions and
different user communities having different practices and "rules". Therefore
my first reaction is to suggest that this is dealt with using "P2 has type
E55 Type".
I am also sure that this is sometimes the confusion of different
appellations for the same thing with different things each having their own
identity.
2] I think that the cultural division of works may well have an impact on
their constraining supertype. For example a choral work may be viewed as a
textual work and a musical work and thus have different constraining
supertypes.
My thoughts
SdS


Stephen Stead
Tel +44 20 8668 3075 
Mob +44 7802 755 013
E-mail steads at paveprime.com


-----Original Message-----
From: crm-sig-bounces at ics.forth.gr [mailto:crm-sig-bounces at ics.forth.gr] On
Behalf Of João Oliveira
Sent: 16 November 2007 13:23
To: crm-sig at ics.forth.gr
Subject: [Crm-sig] Suggestion to FRBRoo

Following, two suggestions for the next FRBRoo meeting.

Suggestion 1) Use the Work Individual/Complex/Container Design Pattern to
Actors

Current:
E39 Actor
---- F77 Corporate Body (=E74 Group)
---- F8 Person (=E21 Person)

Suggestion:
E39 Actor
---- Fnn Individual Actor
-------- F77 Corporate Body (=E74 Group)
-------- F8 Person (=E21 Person)
-------- Fnn Persona
---- Fnn Complex Actor
---- Fnn Container Actor
-------- Fnn Collective Actor
------------  Fnn Family
------------  Fnn Collective Persona

The Complex Actor class deals with the evolution of Actor entity on
time. For example, one Corporate Body evolves in time like one Work.
The Container Actor class deals with collective actors, like Families
and collective Personas as in the following examples from FRAD:
(personas established or adopted jointly by two or more
individuals (e.g., Ellery Queen — joint pseudonym of Frederic Dannay
and Manfred B. Lee); and personas established or adopted by
a group (e.g., Betty Crocker)).


Suggestion 2) Change the R1 Scope Note
Current R1 Scope Note:
This property associates an instance of F1 Work with an
instance of E55 Type that any expression of that work should also have
for it to be identified as an expression of the same work.
The nature of what constitutes a "constraining supertype" varies according
to cataloguing rules and conventions. As the entity-relationship version of
FRBR puts it, "The concept of what constitutes a work and where
the line of demarcation lies between one work and another may in fact be
viewed differently from one culture to another. Consequently the
bibliographic
conventions established by various cultures or national groups may
differ in terms of the criteria they use for determining the boundaries
between one work and another." (FRBR Final Report, p. 16).

Suggestion:
This property associates an instance of F1 Work with an
instance of E55 Type that any expression of that work should also have
for it to be identified as an expression of the same work.
The nature of what constitutes a "constraining supertype" varies according
to cataloguing rules and conventions.

Justification:
The "form of work" is not a cultural issue. The FRBR Final Report citation
is about Work limits (scope) and not Work form. The Work limits are a
culture issue.

Regards,

João Alberto de Oliveira Lima

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