Information Architecture for the World Wide Web
by Peter Morville & Louis Rosenfeld

The unconfirmed error reports are from readers.  They have not yet been 
approved or disproved by the author or editor and represent solely the
opinion of the reader.

Here's a key to the markup:
        [page-number]: serious technical mistake
        {page-number}: minor technical mistake
        <page-number>: important language/formatting problem
        (page-number): language change or minor formatting problem
        ?page-number?: reader question or request for clarification


This page was updated April 11, 2008.


UNCONFIRMED  errors and comments from readers: 


[159] Between 2nd and 3rd paragraph;
Precision is wrongly defined as "# relevant documents retrieved / # total documents in collection". The correct definition is "# relevant documents retrieved / # total documents retrieved". The authors have gotten it right in Figure 9-5 on page 197.