Abstract. We investigate the problem of finding frequent patterns in a continuous stream of transactions. It is recognized that the approximate solutions are usually sufficient and...
A data structure is said to be persistent when any update operation returns a new structure without altering the old version. This paper introduces a new notion of persistence, cal...
Conjunctive query answering is a key reasoning service for many ontology-based applications. In order to improve scalability, many Semantic Web query answering systems give up com...
Giorgos Stoilos, Bernardo Cuenca Grau, Ian Horrock...
Large scale ontology applications require efficient and robust description logic (DL) reasoning services. Expressive DLs usually have very high worst case complexity while tractab...
Mechanisms such as Java Web Start enable on-thefly downloading and execution of applications installed on remote servers, without the need for having them installed on the local ...
Thierry Bodhuin, Massimiliano Di Penta, Luigi Troi...