Conceptual structures at work : 12th International Conference on Conceptual Structures, ICCS 2004, Huntsville, USA, July 19-23, 2004 : proceedings
Karl Erich Wolff, Heather D. Pfeiffer, Harry S. Delugach (eds.)
(Lecture notes in computer science, 3127 . Lecture notes in artificial intelligence)
Springer, c2004