Hi Stephen and all,
We’ve made an intentional decision for the V/FRBR project to not use the
concept of an aggregate work. The many-to-many nature of Expression to
Manifestation for our need adequately models the fact that two symphonies were
released on the same disc (for example). For our
So does that mean that you have Manifestations... which do not belong to
any Work at all? Or have you just left Works out of your modelling
altogether?
My understanding of the FRBR model is that it insists that _all_
manifestations belong to an expression which belongs to a work. This is
For information - Ed O'Neill chairs the IFLA FRBR Working Group on Aggregates
that hopes to have a report in early 2011. - Barbara Tillett
From: Resource Description and Access / Resource Description and Access
[mailto:rd...@listserv.lac-bac.gc.ca] On Behalf Of Riley, Jenn
Sent: Monday, October
J. Rochkind wrote,
So does that mean that you have Manifestations... which do not belong to any
Work at all? Or have you just left Works out of your modelling altogether?
My understanding of the FRBR model is that it insists that _all_
manifestations belong to an expression which belongs
Quoting Jonathan Rochkind rochk...@jhu.edu:
My understanding of the FRBR model is that it insists that _all_
manifestations belong to an expression which belongs to a work. This is
what leads to aggregates neccesarily being works -- you've got a
manifestation in front of you which is clearly
In the VTLS FRBR implementation, a manifestation for an aggregate can
be linked to multiple Expressions/Works. One of the Expression/Work is
for the aggregate as a whole. The other Expression/Works are for the
separate Works in the aggregate.
John Espley
VTLS Inc.
On 10/18/2010 1:58 PM,
Karen Coyle wrote:
snip
If you look at the simple Group1 diagram:
http://archive.ifla.org/VII/s13/frbr/fig3-1.jpg
you see that a manifestation can manifest more than one expression. So
there are two (at least) ways to go:
1) consider the aggregate a manifestation and an expression and a
work;
I take respectful exception to the choice of the word belong to when
describing relationships among the WEMI entities. To my mind, belong
connotes a relationship along the lines of whole-part: a chapter of a
book, if modeled as a Work in its own right, belongs to the larger
work in which it
Yes, what Karen said. (Thanks, Karen!) That's exactly how we look at it. So a
Manifestation does have Expressed Works in it (to answer your question
Jonathan), just more than one in many cases. Since more than one is OK, no need
for aggregates.
Jenn
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