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|Title:||Logic–Based Detection of Conflicts in APPEL Policies|
|Citation:||Lecture Notes in Computer Science, 2007, 4767, pp. 257-271.|
|Abstract:||APPEL is a general language for expressing policies in a variety of application domains with a clear separation between the core language and its specialisation for concrete domains. Policies can conflict, thus leading to undesired behaviour. We present a novel formal semantics for the APPEL language based on ΔDSTL(x) (so far APPEL only had an informal semantics). ΔDSTL(x) is an extension of temporal logic to deal with global applications: it includes modalities to localize properties to system components, an operator to deal with events, and temporal modalities à la Unity. A further contribution of the paper is the development of techniques based on the semantics to reason about conflicts.|
|Description:||This paper was presented at the International Symposium on Fundamentals of Software Engineering, International Symposium, FSEN 2007, Tehran, Iran, April 17-19, 2007 and published as Lecture Notes on Computer Science, 2007, 4767, pp. 257-271.|
|Appears in Collections:||Conference Papers & Presentations, Dept. of Computer Science|
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