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(×) (so far APPEL only had an informal semantics). ΔDSTL(×) 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 àla Unity. A further contribution of the paper is the development of techniques based on the semantics to reason about conflicts. © Springer-Verlag Berlin Heidelberg 2007.
CITATION STYLE
Montangero, C., Reiff-Marganiec, S., & Semini, L. (2007). Logic-based detection of conflicts in APPEL policies. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 4767 LNCS, pp. 257–271). Springer Verlag. https://doi.org/10.1007/978-3-540-75698-9_17
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