In this paper, we present an extension of the scheme HH(C) (Hereditary Harrop formulas with Constraints) with a suitable formulation of negation in order to obtain a constraint ded...
ODRL is a popular XML-based language for stating the conditions under which resources can be accessed. The language is underspecified, and can be reasonably interpreted in a number...
Modularity and tool support are crucial features for practical use of formal descriptions of programming languages. The combination of unrestricted context-free grammars with acti...
Semantic Web Services, one of the most significant research areas within the Semantic Web vision, has attracted increasing attention from both the research community and industry...
Hai H. Wang, Nick Gibbins, Terry R. Payne, Ahmed S...
We address the issues of semantics and conversations for agent communication languages and the Knowledge Query Manipulation Language (KQML) in particular. Based on ideas from spee...