This paper reports our experience with representing and reasoning with context information within the CARE middleware. CARE was developed to support context-aware service adaptati...
The assumption in moving system modelling to higher levels is that this improves the design process by allowing exploration of the architecture, providing an unambiguous specifica...
Abstract. We develop a variant of Gordon and Hankin's concurrent object calculus with support for flexible access control on methods. We investigate safe administration and ac...
The Object Constraint Language OCL is a textual specification language that could be used for constraining the modelling elements that occur in UML diagrams. Typical constraints i...
We address the problem of the impossibility of implementing synchronous fault-tolerant service specifications in asynchronous distributed systems. We introduce a method for weaken...