- AAAI Spring Symposium: Logical Formalizations of Commonsense Reasoning, AAAI, (2011)
- ER Workshops, volume 6999 of Lecture Notes in Computer Science, page 173-182. Springer, (2011)
- EKAW, volume 2473 of Lecture Notes in Computer Science, page 166-181. Springer, (2002)
- COSIT, volume 1661 of Lecture Notes in Computer Science, page 235-250. Springer, (1999)
- Cambridge University Press, (April 2010)
- KR, page 267-277. AAAI Press, (2004)
- IST Project 2001-33052 WonderWeb: Ontology Infrastructure for the Semantic Web, (2003)
- AI Magazine 24(3):13-24 (2003)
- ISTC-CNR National Research Council, Institute of Cognitive Sciences and Technology, Padova, Italy, (2002)
- EKAW, page 166-181. (2002)
- ISTC-CNR, (2002)
- AI Magazine 24(3):13-24 (2003)
- Intelligent Systems and Their Applications, IEEE 14(3):70--80 (1999)
- AI Magazine 24(3):13-24 (2003)
- FOIS, volume 209 of Frontiers in Artificial Intelligence and Applications, page 89-102. IOS Press, (2010)
- Handbook on Ontologies, Springer, Second edition, (2009)
- KR, AAAI Press, (2010)
- Proceedings of 13th International Conference on Knowledge Engineering and Knowledge Management EKAW, 2473 of Lecture Notes in Computer Science, page 166 ff. Sigünza, Spain, (October 2002)
- Proceedings of the 13th International Conference on Knowledge Engineering and Knowledge Management. Ontologies and the Semantic Web EKAW'02, volume 2473 of Lecture Notes in Computer Science, page 166--181. Heidelberg, DE, Springer, (2002)
- Proceedings of the Workshop OntoLex'2, Ontologies and Lexical Knowledge Bases, (2002)


author