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@inproceedings{1366040,
author = {Kučera, Antonín and Lamser, Tomáš},
address = {New York},
booktitle = {Proceedings of the 2016 International Conference on Autonomous Agents & Multiagent Systems},
editor = {Catholijn M. Jonker, Stacy Marsella, John Thangarajah, Karl Tuyls},
keywords = {patrolling games; strategy synthesis},
howpublished = {tištěná verze "print"},
language = {eng},
location = {New York},
isbn = {978-1-4503-4239-1},
pages = {1171-1179},
publisher = {ACM},
title = {Regular Strategies and Strategy Improvement: Efficient Tools for Solving Large Patrolling Problems},
url = {http://dl.acm.org/citation.cfm?id=2937095},
year = {2016}
}
TY - JOUR
ID - 1366040
AU - Kučera, Antonín - Lamser, Tomáš
PY - 2016
TI - Regular Strategies and Strategy Improvement: Efficient Tools for Solving Large Patrolling Problems
PB - ACM
CY - New York
SN - 9781450342391
KW - patrolling games
KW - strategy synthesis
UR - http://dl.acm.org/citation.cfm?id=2937095
L2 - http://dl.acm.org/citation.cfm?id=2937095
N2 - In patrolling problems, the task is to compute an optimal strategy for a patroller who moves among vulnerable targets and aims at detecting possible intrusions. Previous approaches to this problem utilize non-linear programming to synthesize (sub)optimal patroller's strategies, which has a negative impact on their scalability. Further, the solution space is usually restricted to positional strategies or to strategies dependent on a bounded history of patroller's moves. In this paper we introduce regular strategies that utilize deterministic finite-state automata to collect some information about the whole history of patroller's moves, and show that regular strategies are strictly more powerful than strategies dependent on a bounded history. Further, we design a strategy improvement technique for regular strategies which completely avoids solving large non-linear programs. Intuitively, we start with some regular strategy, and then improve this strategy by performing a finite number of rounds, where each round produces another regular strategy obtained by combining the ``old'' one with a solution of a certain linear program. Our experiments demonstrate that, compared to the existing methods, our approach is applicable to patrolling problems of considerably larger size, and can quickly produces strategies of very good quality.
ER -
KUČERA, Antonín and Tomáš LAMSER. Regular Strategies and Strategy Improvement: Efficient Tools for Solving Large Patrolling Problems. In Catholijn M. Jonker, Stacy Marsella, John Thangarajah, Karl Tuyls. \textit{Proceedings of the 2016 International Conference on Autonomous Agents \&{} Multiagent Systems}. New York: ACM. p.~1171-1179. ISBN~978-1-4503-4239-1. 2016.
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