This volume contains the texts of 26 lectures and contributions to the program of the International Summer School on Advanced Topics in Artificial Intelligence held in Prague, Czechoslovakia, July 6-17, 1992. The summer school was intended for (postgraduate) students, researchers and all those who want to learn about recent progress in both theoretical and applied AI. The papers in the volume are organized into nine parts: Introduction - Logic and logic programming - Machine learning - Planning and scheduling - uncertainty - Second generation expert systems and knowledge engineering - Qualitative resoning - Neurocomputing - Natural language and interfaces.