For an overview see our Bixo introduction slides
Specific areas of documentation on this site are:
There is also a PDF of Ken Krugler’s talk at the Bay Area Hadoop User Group (HUG) September Meetup. This describes how to use Bixo to build a web mining application, and includes an example of mining the Hadoop mailing list archives to find helpful Hadoopers. The code for this is in the project’s GitHub repository under the contrib/helpful sub-directory.