An existing distributed lift system was analyzed using the process algebraic language µCRL [7]. Four problems were found, three of which were also found independently by the devel...
This paper describes concepts and features of a Web-based system called XRL/flower for carrying out Petri-net based workflows described with XRL (eXchangeable Routing Language). XR...
The satisfiability test checks, whether or not the evaluation of a query returns the empty set for any input document, and can be used in query optimization for avoiding the submis...
An experimental study shows the feasibility of service-oriented architectures for industrial automation and control systems even with respect to lower, real-time dependent control...
Andre Pohl, Heiko Krumm, Felix Holland, Franz-Jose...
We propose a type system for lock-freedom in the -calculus, which guarantees that certain communications will eventually succeed. Distinguishing features of our type system are: it...