Abstract. We propose a new formalisation of stability for Rely-Guarantee, in which an assertion's stability is encoded into its syntactic form. This allows two advances in mod...
In this paper, we investigate the problem of answering top-k queries via materialized views. We provide theoretical guarantees for the adequacy of a view to answer a top-k query, ...
Architectural descriptions can provide support for a formal representation of the structure and the overall behavior of software systems, which is suitable for an early assessment ...
The rapidly growing web technologies and electronic commerce applications have stimulated the need of personalized and group decision support functionalities in eTourism intermedia...
Accessing up-to-date information in a fast and easy way implies the necessity of information management tools to explore and analyse the huge number of available electronic resourc...