Reasoning with incomplete information constitutes a major challenge for any intelligent system. In fact, we expect such systems not to become paralyzed by missi

This book constitutes the thoroughly refereed post-workshop proceedings of the 6th International Workshop on Database Programming Languages, DBPL-6, held in Est

This volume was motivated by the Year of Prolog initiative, launched to celebrate the 50th anniversary of the emergence of Prolog through the work of Alain Colm

This book constitutes the refereeed proceedings of the Third European Conference on Multimedia Applications, Services and Techniques, ECMAST '98, held in Berlin

This book constitutes the refereed proceedings of the 1999 European Conference on Symbolic and Quantitative Approaches to Reasoning under Uncertainty, ECSQARU'9