An iterative decision-making scheme for Markov decision processes and its application to self-adaptive systems

Su, Guoxin, Chen, Taolue, Feng, Yuan, Rosenblum, David S. and Thiagarajan, P. S. (2016) An iterative decision-making scheme for Markov decision processes and its application to self-adaptive systems. Fundamental Approaches to Software Engineering: 19th International Conference, FASE 2016, Held as Part of the European Joint Conferences on Theory and Practice of Software, ETAPS 2016, Eindhoven, The Netherlands, April 2-8, 2016, Proceedings. In: 19th International Conference Fundamental Approaches to Software Engineering (FASE 2016), 02-08 Apr 2016, Eindhoven, The Netherlands. pbk-ISBN 9783662496640, e-ISBN 9783662496657. ISSN 0302-9743 [Conference or Workshop Item] (doi:10.1007/978-3-662-49665-7_16)

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Abstract

Software is often governed by and thus adapts to phenomena that occur at runtime. Unlike traditional decision problems, where a decision-making model is determined for reasoning, the adaptation logic of such software is concerned with empirical data and is subject to practical constraints. We present an Iterative Decision-Making Scheme (IDMS) that infers both point and interval estimates for the undetermined transition probabilities in a Markov Decision Process (MDP) based on sampled data, and iteratively computes a confidently optimal scheduler from a given finite subset of schedulers. The most important feature of IDMS is the flexibility for adjusting the criterion of confident optimality and the sample size within the iteration, leading to a tradeoff between accuracy, data usage and computational overhead. We apply IDMS to an existing self-adaptation framework Rainbow and conduct a case study using a Rainbow system to demonstrate the flexibility of IDMS.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Published as a chapter in: Fundamental Approaches to Software Engineering, Volume 9633 of the series Lecture Notes in Computer Science, pp 269-286
Research Areas: A. > School of Science and Technology > Computer Science > Foundations of Computing group
Item ID: 19199
Notes on copyright: The final authenticated version is available online at https://doi.org/10.1007/978-3-662-49665-7_16
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Depositing User: Taolue Chen
Date Deposited: 12 Apr 2016 09:59
Last Modified: 12 Jun 2021 18:14
URI: https://eprints.mdx.ac.uk/id/eprint/19199

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