I think it might be useful to go with your first instincts, that a book is a document, and then see how to best organize the information you have about the book in support of some application, rather than
>
But, in the FRBR model, the "book" (FRBR's "Manifestation") is not the "final" or "complete" document (CouchDB's "document"). Were I to strictly map "the book is a document", the CouchDB document would be

actually I'm not talking about "The Hobbit" as a concept, a class of individuals comprising all the books, CDs, YouTube videos, etc., I was referring to the "The Hobbit", the green volume sitting on my shelf with an n-bit address in the universe that my dog chewed.

Ok, so, if we establish that:

 * I /do/ want to use the FRBR model of W, E, M, I. That's the goal,
   not "making a book database for some moving book customer"...

 * ... and you were talking about a "book as [CouchDB]
   document" as a copy of your "The Hobbit" on the shelf...

then that leaves me with an inferred statement of:

 * Make a CouchDB document model an FRBR Item.

which further asserts that the other Group 1 entities of FRBR (W, E, M, which again is what /I/ want, not a generic book database that we've seen a thousand times before) should also be modeled as specific CouchDB documents.

Is that right?

business, she specializes in moving books. In her schema all that's needed is height, width, depth, and weight. All this "Work", "Manifestation", ISBN-code stuff is just fluff.

Sure, but I assert (again, though I ended up deleting it from the previous e-mail just prior to sending it) that this is a usability problem, not a data model problem. Even the FRBR stuff states, somewhere somehow, that the model isn't usable (or necessary) for "normal" people. In my view, she'd never even see, or need to know, the concepts of WEMI in her using the app. IO would be friendly, regardless of the model.

One way to view documents is to consider them like rows in a table where you can have as many columns as you like.

Which also supports the "make each Group 1
entity a CouchDB document type" assertion?

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