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    Quality-aware Approach for Engineering Self-adaptive Software Systems

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    Self-adaptivity allows software systems to autonomously adjust their behavior during run-time to reduce the cost complexities caused by manual maintenance. In this paper, an approach for building an external adaptation engine for self-adaptive software systems is proposed. In order to improve the quality of self-adaptive software systems, this research addresses two challenges in self-adaptive software systems. The first challenge is managing the complexity of the adaptation space efficiently and the second is handling the run-time uncertainty that hinders the adaptation process. This research utilizes Case-based Reasoning as an adaptation engine along with utility functions for realizing the managed system's requirements and handling uncertainty.Comment: Third International Conference on Information Technology Convergence and Services (ITCS 2014), January 2 ~ 4, 2014, Zurich, Switzerland. arXiv admin note: substantial text overlap with arXiv:1402.214
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