If you model "work of works" MobyDick+A, then you've simply got to make sure the "contains" relationship is there to the "simple" work "Moby Dick", right?

Then that would allow the particular manifestation of MobyDick+A to be grouped with all the "MobyDick"s, since the system knows it contains a manifestation of MobyDick in it.

What are we doing having this conversation on Code4Lib anyway, we're probably horribly boring and frustrating most of the list.

Jonathan

Karen Coyle wrote:
Quoting "Beacom, Matthew" <[email protected]>:

Karen,

You said:

From the FRBR model we know that a manifestation is the embodiment of an expression. From the manifestation, we infer another level of thinking about the item in hand, another abstraction, the FRBR expression. Going up the IMEW ladder, we see there is no gap where the expression should be. The expression is simply an inference we make from the manifestation according to the model. It's a formality. According to the model, an expression for the augmented/supplemented/whatevered Moby Dick exists. It must. And from the expression, let's call it "Moby Dick+a E", we infer the work, "Moby Dick+a W", again, according to the model. So working up the IMEW model, we see the augmented/supplemented/whatevered Moby Dick that I'm calling "Moby Dick+a" is a work, an expression, a manifestation and item.

I'll have to read through this a few more times, but this puts you in the "work of works" camp: http://www.ifla.org/en/events/frbr-working-group-on-aggregates

Unfortunately, I don't think this serves the user well, who may be looking for "Moby Dick" and not "Moby Dick+a". It's also not how Work is defined in AACR or RDA. So I'd like to understand what the user would see having done a search on Moby Dick. It seems like they'd see what we have today, which is a long list of different versions. Personally, I'd rather see something like:
   http://upstream.openlibrary.org/works/OL102749W/Moby_Dick
And I don't think your model allows that.

kc



Coming down the WEMI model, we skipped over the expression level. Why? I think it is because of a couple of things common to how we think. First, when we use the WEMI model in this top-down direction, we tend to reify the abstractions and look for "real" instances of them. Second, when we move down the WEMI model, we deduce the next level from the "evidence" of the one above or evidence from the physical world. Since the abstract levels of the FRBR WEMI model provide no evidence for deduction, and there is no evidence of an expression in the item, and all there is to rely on is the model's claim that "there be expressions here," then we don't see the expression as real. Working up from the item, the step at the expression level is more clear and more clearly a formal part of the modeling process. It isn't a different decision about expression, it is a different view of the model that allows us to more clearly see the expression.

Is this way of thinking, useful? It may be, when or if we think the editorial work that created the augmented/etc. Moby Dick, is worth noting and tracking. Consider for instance the 150 the anniversary edition of Moby Dick published by the Northwestern University Press in 1991. It may make sense and provide some utility for readers for cataloger's to consider this edition a different work than the Norton Critical Edition, 2d edition, of Moby Dick. Because we like to relate a work to a creator of the work when we can, I'll point out the creator of each of these works is the editor or editorial group that edited the text of Moby Dick-if they did that--and compiled the edition. And we might distinguish them by use of the editor's name or the publisher's as we do in this case.

Returning to "Moby Dick+a" for a moment, I want to point out a complexity that I skipped over so far. There is more than one work involved in "Moby Dick+a." The first is the edition itself, "Moby Dick+a," a second is "Moby Dick," itself, a third would be the introduction written for this edition, etc. It would be possible to have the same work/expression of "Moby Dick" in two different "edition-works" of Moby Dick. If the same text of "Moby Dick" is simply repeated in a new context of apparatus--introductions, afterwords, etc., one could have a work/expression "Moby Dick+a" and another "Moby Dick+b" that each contains the same work/expression, "Moby Dick." What makes sense to me is noting and tracking both of these--the edited augmentation and the core work. Other works within the augmented work may also be worth noting, etc., but how far one would follow that path depends on the implementation goals.

Matthew Beacom



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