System-level design methodologies for embedded HW/SW systems face several challenges: In order to be susceptible to systematic formal analysis based on state-space exploration, a ...
Abstract. Event-B is a formal method for modeling and verifying consistency of systems. In formal methods such as Event-B, refinement is the process of enriching or modifying an a...
Abstract. Query-by-example and query-by-keyword both suffer from the problem of "aliasing," meaning that example-images and keywords potentially have variable interpretat...
Role Based Access Control (RBAC) is a methodology for providing users in an IT system specific permissions like write or read to t abstracts from specific users and binds permiss...
Distributed information systems are critical to the functioning of many businesses; designing them to be dependable is a challenging but important task. We report our experience i...
Jeremy Bryans, John S. Fitzgerald, Alexander Roman...