@inproceedings{guarino1998formal, author = {Guarino, Nicola}, interhash = {9f75c826637daa6960092600bb65b8b4}, intrahash = {435399930b8aeed5833423f00b27bbd2}, pages = {3-15}, publisher = {IOS Press}, tags = {TOREAD}, title = {Formal Ontology and Information Systems}, year = 1998 }