@inproceedings{Mueller-thiel94,
  author	= {M{\"u}ller, Adrian and Thiel, Ulrich},
  year		= {1994},
  title		= {Query Expansion in an Abductive Information Retrieval System},
  booktitle	= {Proceedings of the RIAO'94 Conference - Intelligent Multimedia Information Retrieval Systems and Management, New York, NY, Vol. 1},
  pages		= {461--480}
}