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Conflict estimation of abstract plans for multiagent systems

Published: 14 May 2007 Publication History

Abstract

In hierarchical planning, selecting a plan at an abstract level affects planning performance because an abstract plan restricts the scope of primitive plans. However, if all primitive plans under the selected abstract plan have difficult-to-resolve conflicts with the plans of other agents, the final plan after conflict resolution will be inefficient or of low quality. In this paper, we propose a conflict estimation method to generate quality plans efficiently for multiagent systems by appropriately selecting abstract plans in hierarchical planning. This method enables agents to learn which abstract plans are less likely to cause conflicts or which conflicts will be easy to resolve.

References

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J. F. Allen. Maintaining knowledge about temporal intervals. Communications of the ACM, 26(11):832--843, 1983.
[2]
J. H. K. Erol and D. S. Nau. HTN planning: Complexity and expressivity. In Proc. of AAAI-94, pages 1123--1128, 1994.
[3]
E. Sacerdoti. Planning in a hierarchy of abstraction spaces. Artificial Intelligence, 5(2):115--135, 1974.
[4]
T. Sugawara, S. Kurihara, T. Hirotsu, K. Fukuda, and T. Takada. Predicting Possible Conflicts in Hierarchical planning for Multiagent Systems. In Proc. of AAMAS2005, pages 813--820, 2005.

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  1. Conflict estimation of abstract plans for multiagent systems

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    cover image ACM Other conferences
    AAMAS '07: Proceedings of the 6th international joint conference on Autonomous agents and multiagent systems
    May 2007
    1585 pages
    ISBN:9788190426275
    DOI:10.1145/1329125
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    Publication History

    Published: 14 May 2007

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    Author Tags

    1. conflict resolution
    2. coordination
    3. planning

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