In addition to the issue of separate works, FRBR also
models persons and organizations (e.g. authors and publishers) and these can be related to works, expressions etc. as re-
quired. Furthermore, subjects of books can be similarly represented and associated with the works that discuss them.
Works and their expressions can also be related with each
other. For example, a critical reader of Ulysses is related
to the original work, yet is unquestionably a separate work
in its own right. Given this rich framework for describing
works, authors and other persons, FRBR presents an opportunity for rich and interconnected descriptions that support
a vast array of user tasks. However, this very complexity
results in challenges in making the opportunities it provides
transparent to its users. This paper will demonstrate a few
introductory examples of these very opportunities.