Assigning URIs to people

Hi,
Does any one know of a article/webpage that discusses the issues surrounding the issue of assigning URIs to a person.  I am looking for a source that can back up a point I have made about how the implications of this are unknown, in my dissertation.

Cheers
Richard

P.S. For anyone who is interested, I am developing an RDF/XML data model for bibliographic data.  See here for the current document: http://www.macs.hw.ac.uk/~ceerdl/Dissertation/dissertation.pdf

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