@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" }