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- W2398043204 abstract "The task in the multi-agent path finding problem (MAPF) isto find paths for multiple agents, each with a different startand goal position, such that agents do not collide. It is possibleto solve this problem optimally with algorithms that arebased on the A* algorithm. Recently, we proposed an alternativealgorithm called Conflict-Based Search (CBS) (Sharonet al. 2012), which was shown to outperform the A*-basedalgorithms in some cases. CBS is a two-level algorithm. Atthe high level, a search is performed on a tree based on conflictsbetween agents. At the low level, a search is performedonly for a single agent at a time. While in some cases CBSis very efficient, in other cases it is worse than A*-based algorithms.This paper focuses on the latter case by generalizingCBS to Meta-Agent CBS (MA-CBS). The main idea isto couple groups of agents into meta-agents if the number ofinternal conflicts between them exceeds a given bound. MACBSacts as a framework that can run on top of any completeMAPF solver. We analyze our new approach and provideexperimental results demonstrating that it outperforms basicCBS and other A*-based optimal solvers in many cases." @default.
- W2398043204 created "2016-06-24" @default.
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- W2398043204 date "2021-08-20" @default.
- W2398043204 modified "2023-10-06" @default.
- W2398043204 title "Meta-Agent Conflict-Based Search For Optimal Multi-Agent Path Finding" @default.
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- W2398043204 doi "https://doi.org/10.1609/socs.v3i1.18244" @default.
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