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Application Coordination in Pervasive Systems


Verena Majuntke

Pervasive applications are designed to support users in their daily life. For this purpose, applications interact with their environment, i.e. their context. They are able to adapt themselves to context changes or to explicitly change the context via actuators. If multiple applications are executed in the same context, interferences are likely to occur. To manage interferences, a coordination framework is presented in this thesis. Interferences are detected using a context model and information about applications’ interaction with the context. The resolution of interference is achieved through a coordinated application adaptation. The thesis introduces the theoretical concepts, presents a prototypical implementation and evaluates the prototype through extensive measurements.


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First of all, I would like to thank my supervisor ” Chef“ Prof. Dr. Christian Becker. Throughout all the years, Christian gave me the freedom to develop and follow my own research interests. He always knew how to keep the motivation up even in cases of setbacks. Thanks to Christian the years of my PhD studies were an exceptionally positive experience. I thank my second supervisor Prof. Dr. Martin Schader for his time and the effort he put in to enable my graduation in 2012. In a casual conversation in October 2012 he decided to give me the chance to receive my PhD degree before the end of the year 2012. This did not only mean a lot of work for me but also a time commitment from his side. I also would like to thank Prof. Dr. Armin Heinzl who filled in on my Rigorosum on very short notice. I am very grateful to my postdoc Dr. Gregor Schiele who always had an open ear and a lot of time to profoundly discuss my research and various aspects of life. I already miss our coffee breaks. Fortunately, Gregor has become a good friend and the conversation times are not restricted to the office. Furthermore, I thank my colleague Richard Su¨selbeck. Richard was one of the first PhD students at Christian’s chair just like me and we shared an office. The English theater will always remain a legend. I also thank Laura Itzel (now Krammer). We worked together for a...

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