In his well-known paper \How computer should think" ( Be77b]) Belnap argues that four-valued semantics is a very suitable setting for computerized reasoning. In this paper we...
Relational databases have had great industrial success in computer science, their power evidenced by theoretical analysis and widespread adoption. Often, automated theorem provers...
We present sKizzo, a system designed to evaluate and certify Quantified Boolean Formulas (QBFs) by means of propositional skolemization and symbolic reasoning.
In this paper I argue that we do not understand the process of default reasoning. A number of examples are given which serve to distinguish di erent default reasoning systems. It ...
A new approach to representing qualitative spatial knowledge and to spatial reasoning is presented. This approach is motivated by cognitive considerations and is based on relative ...