@INPROCEEDINGS{Meghini93a,
AUTHOR  ="Meghini, Carlo and Sebastiani, Fabrizio and Straccia, Umberto and 
Thanos, Costantino",
TITLE   ="A model of information retrieval based on a terminological logic",
BOOKTITLE ="Proceedings of SIGIR-93, 16th International Conference on 
Research and Development in Information Retrieval",
YEAR    ="1993",
PAGES	="298--307",
ADDRESS ="Pittsburgh, PA"
}