Modeling and Using Context 4th International and Interdisciplinary Conference, CONTEXT 2003, Stanford, CA, USA, June 23-25, 2003, Proceedings - Blackburn, Patrick; Blackburn, Patrick; Ghidini, Chiara; Ghidini, Chiara; Turner, Roy M.; Turner, Roy M.; Giunchiglia, Fausto; Giunchiglia, Fausto (Springer Berlin Heidelberg : Imprint: Springer, 2003)