Abstract. We develop a logic for reasoning about object-oriented programs. The logic is for a language with an imperative semantics and aliasing, and accounts for self-reference in...
Abstract. We show that under the assumptions of Spectrum Exchangeability and Language Invariance the so called Only Rule, a principle of instantial relevance previously know for un...
Abstract. We introduce the DR-CONTRACT architecture to represent and reason on e-Contracts. The architecture extends the DR-device architecture by a deontic defeasible logic of vio...
Abstract. We describe a system in which Contextual Logic Programming is used as a mediator for knowledge modeled by ontologies. Our system provides the components required to behav...
Abstract. In this paper we present the well founded variants of ambiguity blocking and ambiguity propagating defeasible logics. We also show how to extend SPINdle, a state of the a...