[Crm-sig] 'F4 Manifestation Singleton' and 'E84 InformationCarrier' - CRM/FRBRoo

Stephen Stead steads at paveprime.org
Thu Oct 18 09:29:50 EEST 2007

Yes it is quite simple really. Some instances of F4 Manifestation Singleton
may be on carriers that were not intended as E84 Information Carriers. For
example a poem scratched into a prison wall or a school desk. If the carrier
was intended then you can instantiate it as a member of both classes.
Hope this helps

Stephen Stead

Tel +44 20 8668 3075 

Mob +44 7802 755 013

E-mail steads at paveprime.com



From: crm-sig-bounces at ics.forth.gr [mailto:crm-sig-bounces at ics.forth.gr] On
Behalf Of João Oliveira
Sent: 17 October 2007 23:10
To: crm-sig at ics.forth.gr
Subject: [Crm-sig] 'F4 Manifestation Singleton' and 'E84 InformationCarrier'

Dear All, 

    Anyone could explain why 'F4 Manifestation Singleton' isn't a subclass
of 'E84 Information Carrier'? 

Thanks in advance 

João Lima 

'F4 Manifestation Singleton' Scope Note 
This class comprises physical objects that each carry an instance of F2
Expression, and that 
were produced as unique object, with no siblings intended in the course of
its production. It 
should be noted that if all but one copy of a given publication are
destroyed, then that copy 
does not become an instance of F4 Manifestation Singleton, because it was
produced together 
with sibling copies, even though it now happens to be unique. Examples of
instances of F4 
Manifestation Singleton include manuscripts, preparatory sketches and the
final clean draft 
sent by an author or a composer to a publisher. 

'E84 Information Carrier' Scope Note 
This class comprises all instances of E22 Man-Made Object that are
explicitly designed to act 
as persistent physical carriers for instances of E73 Information Object. 

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