Abstract. We show that finding roots of Boolean matrices is an NPhard problem. This answers a twenty year old question from semigroup theory. Interpreting Boolean matrices as dire...
Abstract. In the past few years there have been a number of proposals for mechanisms for negotiation between agents that make use of argumentation. These proposals have largely bee...
Abstract. A key step in Natural Language Processing is creating representations of sentences and discourses. Sentences describe states and events. Thus a crucial component of seman...
Abstract. We extend the algebraic approach of Meseguer and Montanari from ordinary place/transition Petri nets to contextual nets, covering both the collective and the individual t...
Abstract. This paper provides a modular high-level design of the Common Language Runtime (CLR) architecture. Our design is given in terms act State Machines (ASMs) and takes the fo...