In distributed environments, statements from a number of principals, besides the central trusted party, may influence the derivations of authorization decisions. However, existin...
Abstract. The lack of flexibility is often seen as an inhibitor for the successful application of workflow technology. Many researchers have proposed different ways of addressin...
Wil M. P. van der Aalst, Michael Adams, Arthur H. ...
Formalization is a necessary precondition for the specification of precise and unambiguous use case models, which serve as reference points for the design and implementation of so...
Abstract. In this work, we introduce the class of Interrupt Timed Automata (ITA), which are well suited to the description of multi-task systems with interruptions in a single proc...
Data aggregation in Geographic Information Systems (GIS) is a desirable feature, spatial data are integrated in OLAP engines for this purpose. However, the development and operatio...