Multi-objective Robust Strategy Synthesis for Interval Markov Decision Processes

Ernst Moritz Hahn, Vahid Hashemi, Holger Hermanns, Morteza Lahijanian, Andrea Turrini

Research output: Chapter in Book/Report/Conference proceedingConference contribution

13 Citations (Scopus)


Interval Markov decision processes (IMDPs) generalise classical MDPs by having interval-valued transition probabilities. They provide a powerful modelling tool for probabilistic systems with an additional variation or uncertainty that prevents the knowledge of the exact transition probabilities. In this paper, we consider the problem of multi-objective robust strategy synthesis for interval MDPs, where the aim is to find a robust strategy that guarantees the satisfaction of multiple properties at the same time in face of the transition probability uncertainty. We first show that this problem is PSPACE-hard. Then, we provide a value iteration-based decision algorithm to approximate the Pareto set of achievable points. We finally demonstrate the practical effectiveness of our proposals by applying them on several real-world case studies.
Original languageEnglish
Title of host publicationQuantitative Evaluation of Systems - 14th International Conference, QEST 2017, Berlin, Germany, September 5-7, 2017, Proceedings
Number of pages17
ISBN (Electronic)978-3-319-66335-7
ISBN (Print)978-3-319-66334-0
Publication statusPublished - 01 Dec 2017
Externally publishedYes

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