PolyDroid: Learning-Driven Specialization of Mobile Applications
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The increasing prevalence of mobile apps has led to a proliferation of resource usage scenarios in which they are deployed. This motivates the need to specialize mobile apps based on diverse and varying preferences of users. We propose a system, called PolyDroid, for automatically specializing mobile apps based on user preferences. The app developer provides a number of candidate configurations, called reductions, that limit the resource usage of the original app. The key challenge underlying PolyDroid concerns learning the quality of user experience under different reductions. We propose an active learning technique that requires few user experiments to determine the optimal reduction for a given resource usage specification. On a benchmark suite comprising 20 diverse, open-source Android apps, we demonstrate that on average, PolyDroid obtains more than 85 two user experiments.
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