The declarative modeling language Alloy and its automatic analyzer provide an effective tool-set for building designs of systems and checking their properties. The Alloy Analyzer p...
In this paper we introduce “clipping,” a new method of syntactic approximation which is motivated by and works in conjunction with a sound and decidable denotational model for...
BPEL is a de-facto standard language for web service orchestration. It is a challenge to test BPEL processes automatically because of the complex features of the language. The cur...
If a program does not fulfill a given specification, a model checker delivers a counterexample, a run which demonstrates the wrong behavior. Even with a counterexample, locating...
Abstract: Wireless sensor networks are often based on omni-sensing and communication models. In contrast, in this paper, we investigate sensor networks with directional sensing and...