httpRange-14, Cool URIs & FRBR, by Pete Johnston, on the eFoundations blog.
… document uses the terms “Web documents” and “real-world objects” to refer to the two classes of resources, noting that the latter class includes “real-world objects like people and cars, and even abstract ideas and non-existing things like a mythical unicorn”.
The question raised by this division is where the boundary between the two classes lies….
I’ve been trying to think through how this set of conventions should be applied to the case of the Functional Requirements for Bibliographic Records (FRBR) and more specifically to the “FRBR Group 1 Entities”, i.e. instances of the the classes of Work, Expression, Manifestation and Item which FRBR uses to model the universe of resources described by bibliographic records.