Fast Planning Through Planning Graph Analysis

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Fast Planning Through Planning Graph Analysis (1995)

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by Avrim L. Blum , Merrick L. Furst

Venue:	ARTIFICIAL INTELLIGENCE
Citations:	1168 - 3 self

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@ARTICLE{Blum95fastplanning,
    author = {Avrim L. Blum and Merrick L. Furst},
    title = {Fast Planning Through Planning Graph Analysis},
    journal = {ARTIFICIAL INTELLIGENCE},
    year = {1995},
    volume = {90},
    number = {1},
    pages = {1636--1642}
}

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Abstract

We introduce a new approach to planning in STRIPS-like domains based on constructing and analyzing a compact structure we call a Planning Graph. We describe a new planner, Graphplan, that uses this paradigm. Graphplan always returns a shortest possible partial-order plan, or states that no valid plan exists. We provide empirical evidence in favor of this approach, showing that Graphplan outperforms the total-order planner, Prodigy, and the partial-order planner, UCPOP, on a variety of interesting natural and artificial planning problems. We also give empirical evidence that the plans produced by Graphplan are quite sensible. Since searches made by this approach are fundamentally different from the searches of other common planning methods, they provide a new perspective on the planning problem.

Keyphrases

planning graph analysis empirical evidence artificial planning problem shortest possible partial-order plan valid plan planning problem new planner planning graph strips-like domain new approach total-order planner partial-order planner compact structure new perspective

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