Relating Diagramms to LogicConceptual Graphs for knowledge Representation. First International Conference on Conceptual Structures, ICCS '93, Quebec City, Canada, August 1993, Proceedings. Lecture Notes in Artificial Intelligence 699 - Sowa, JF; Mineau, GW; Moulin, B; Sowa, JF (Springer-Verlag, 1993)
(eds.)