Abstract. A formal and effective approach to the extension of the computational behaviour of logic programs is presented. The approach builds upon the following concepts. The exte...
Recent research has shown that virtual agent able to express empathic emotions enhances human-machine interaction. In this paper, we present the capabilities that virtual agent sho...
Various feature descriptions are being employed in constrained-based grammar formalisms. The common notational primitive of these descriptions are functional attributes called fea...
Abstract. Managing access control policies in modern computer systems can be challenging and error-prone. Combining multiple disparate access policies can introduce unintended cons...
Abstract. We study the problem of mining frequent itemsets from uncertain data under a probabilistic framework. We consider transactions whose items are associated with existential...