It is recognised that institutions are potentially powerful means for making agent interactions effective and efficient, but institutions will only really be useful when, as in oth...
Buildinglarge Websites is similar in manywaysto building knowledgeand database systems. In particular, byprovidinga declarative,logical viewof a Website's data andstructure, ...
Mary F. Fernandez, Daniela Florescu, Alon Y. Levy,...
The need for integration of ontologies with nonmonotonic rules has been gaining importance in a number of areas, such as the Semantic Web. A number of researchers addressed this p...
Abstract--This paper summarizes results on a recently introduced family of Datalog-based languages, called Datalog+/-, which is a new framework for tractable ontology querying, and...
Abstract. We present a formally verified quantifier elimination procedure for the first order theory over linear mixed real-integer arithmetics in higher-order logic based on a wor...