@incollection{Hawking03,
  author = {David Hawking},
  title = {Very Large Scale Information Retrieval},
  booktitle = {Text and Speech Triggered Information Access},
  publisher = {Springer},
  year = {2003},
  editor = {Gregory Grefenstette and Steve Rennals},
  number = {2705},
  series = {Lecture Notes in Computer Science},
  chapter = {4},
  address = {Heidelberg},
  note = {\url{http://david-hawking.net/pubs/Hawking03.pdf}}
}