@misc{Lalmas/etal:07tz,
  author={Mounia Lalmas, Anastasios Tombros, and Norbert Fuhr},
  title={INEX 2002-2006: Understanding XML Retrieval Evaluation},
  entrydate=20070215,
  year=2007,
  month={February},
  howpublished={Talk at the Delos Conference (Pisa, Italy)},
}