Abstract For an information-agent-based system to support virtual (Internet-supported) organisations, changes in environmental conditions often demand changes in organisational beh...
We present a real-time execution semantics for UML activity graphs that is intended for workflow modelling. The semantics is defined in terms of execution algorithms that define...
The primary objective of this paper is to present the deÿnition of a new dynamic, linear and modal logic for security protocols. The logic is compact, expressive and formal. It a...
This paper presents a new approach to the task of passive protocol tracing. The method called FollowSM for the first time meets all requirements of practical in-field use, inclu...
We are concerned with the availability of systems, defined as the ratio between time of correct functioning and uptime. We propose to model guaranteed availability in terms of regu...