Pierangelo Dell Acqua, Luís Moniz Pereira. Preferring and Updating in Logic-Based Agents. In Oskar Bartenstein, Ulrich Geske, Markus Hannebauer, Osama Yoshie, editors, Web Knowledge Management and Decision Support, 14th International Conference on Applications of Prolog, INAP 2001, Tokyo, Japan, October 20-22, 2001, Revised Papers. Volume 2543 of Lecture Notes in Computer Science, pages 70-85, Springer, 2001. [doi]