@inproceedings{Larsen/etal:05,
  title={Obtrusiveness and Relevance Assessment in Interactive XML IR Experiments},
  author={Birger Larsen and Anastasios Tombros and Saadia Malik},
  booktitle={Proceedings of the INEX 2005 Workshop on Element Retrieval Methodology},
  year=2005,
  note={http://www.cs.otago.ac.nz/inexmw/proceedings.pdf},
}