objects, like elements of (abstract) data types in ordinary programming languages In the theory of abstract data types most often one only considers algebraic structures where all ...
A new version of transition logic is presented. It integrates (dynamic) transitions, which change world states, and classical (static) reasoning, restricted in the paper to Horn l...
Abstract. Twelf is a meta-logical framework for the specification, implementation, and meta-theory of deductive systems from the theory of programming languages and logics. It rel...
Deductive database technology represents an important step towards the goal of developing highly-declarative database programming languages. In order to make deductive databases a ...
Elisa Bertino, Barbara Catania, Vincenzo Gervasi, ...
Birkhoff (quasi-)variety categorical axiomatizability results have fascinated many scientists by their elegance, simplicity and generality. The key factor leading to their generali...