@inproceedings{WebWatcher,
  address = {San Francisco, CA},
  author = {Joachims, T. and Freitag, D. and Mitchell, T.},
  booktitle = {Proceedings of the International Joint Conference on
                Artificial Intelligence (IJCAI)},
  interhash = {d3d078124c4e246c9d4ee638379acbae},
  intrahash = {fac665c3e0b42ca4d5cc644cca1d1b0a},
  location = {Helsinki, Finland},
  pages = {770--777},
  publisher = {Morgan Kaufmann},
  title = {Webwatcher: A tour guide for the World Wide Web},
  year = 1997
}