TU Berlin

Theor. Informatik / Formale SpezifikationProf. Ehrig

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Publications Prof. Hartmut Ehrig (TFS)

Modeling and Analysis of Self-Adaptive Systems Based on Graph Transformation
Zitatschlüssel BEE+13a
Autor Antonio Bucchiarone and Hartmut Ehrig and Claudia Ermel and Patrizio Pelliccione and Olga Runge
Jahr 2013
Nummer 2013/03
Institution TU Berlin
Zusammenfassung Software systems nowadays require continuous operation despite changes both in user needs and in their operational environments. Self-adaptive systems are typically instrumented with tools to autonomously perform adaptation to these changes while maintaining some desired properties. In this paper we model and analyze self-adaptive systems by means of typed, attributed graph grammars. The interplay of different grammars representing the application and the adaptation logic is realized by an adaption manager. Within this formal framework we define consistency and operational properties that are maintained despite adaptations and we give static conditions for their verification. The overall approach is supported by the AGG tool that offers the features for modeling, simulating, and analyzing graph transformation systems. A case study modeling a business process that adapts to changing environment conditions is used to demonstrate and validate the formal framework.
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