A binary language-theoretic operation is proposed, which is dual to the concatenation of languages in the same sense as the universal quantifier in logic is dual to the existenti...
Abstract. Time is omnipresent on the (Semantic) Web. However, formalism like XML, XML Schema, RDF, OWL and (Semantic) Web query languages have, if any, only very limited notions of...
Due to the generality and complexity of enterprise systems, they are challenging to implement and deploy successfully in organizations. Many of these problems are rooted in the wa...
End-to-end QoS has been seldom studied in its inter-domain aspects, particularly within the scope of the global Internet and from an engineering perspective. This paper is intended...
Pierre Levis, Abolghasem (Hamid) Asgari, Panos Tri...
PLASTIC [1] is a recently-proposed tool to help query optimizers significantly amortize optimization overheads through a technique of plan recycling. The tool groups similar quer...