In the paper we study the dynamics of roles played by agents in multiagent systems. We capture role dynamics in terms of four operation performed by agents: ‘enactment’, ‘dea...
Mehdi Dastani, Birna van Riemsdijk, Joris Hulstijn...
The PolicyUpdater1 system is a fully-implemented access control system that provides policy evaluations as well as dynamic policy updates. These functions are achieved by the use o...
To achieve sharing and reuse for sustainable development, documents are semantically interrelated by ontologies, specified formally using the specification language Casl. The spe...
Abstract. This paper aims at defining the semantics of Agent Communication Languages (ACLs) in terms of changes in the social relationships between agents, represented in terms of...
Marco Colombetti, Nicoletta Fornara, Mario Verdicc...
XPath is a simple language for navigating an XML tree and returning a set of answer nodes. The focus in this paper is on the complexity of the containment problem for various fragm...