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Online Detection of Dead States in Real-Time Agent-Centered Search

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In this paper we introduce techniques for state pruning at runtime in a priori unknown domains. We describe how to identify states that can be deleted from the state-space when looking for both optimal and suboptimal solutions. We discuss general graphs and special cases like 8-connected grids. Experimental results show a speed up of up to an order of magnitude when applying our techniques on real-time agent-centered search problems.

Citation

G. Sharon, N. Sturtevant, A. Felner. "Online Detection of Dead States in Real-Time Agent-Centered Search". Symposium on Combinatorial Search, (ed: Malte Helmert, Gabriele Röger), pp 167-174, July 2013.

Keywords: Heuristic search, Real-time, State pruning
Category: In Conference
Web Links: AAAI

BibTeX

@incollection{Sharon+al:SoCS13,
  author = {Guni Sharon and Nathan R. Sturtevant and Ariel Felner},
  title = {Online Detection of Dead States in Real-Time Agent-Centered Search},
  Editor = {Malte Helmert, Gabriele Röger},
  Pages = {167-174},
  booktitle = {Symposium on Combinatorial Search},
  year = 2013,
}

Last Updated: July 09, 2020
Submitted by Sabina P

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