Epsilon-safe planning

  • Authors:
  • Robert P. Goldman;Mark S. Boddy

  • Affiliations:
  • Honeywell Technology Center, Minneapolis, MN;Honeywell Technology Center, Minneapolis, MN

  • Venue:
  • UAI'94 Proceedings of the Tenth international conference on Uncertainty in artificial intelligence
  • Year:
  • 1994

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Abstract

We introduce an approach to high-level conditional planning we call ε-safe planning. This probabilistic approach commits us to planning to meet some specified goal witch a probability of success of at least 1 - ε for some user-supplied ε. We describe several algorithms for ε-safe planning based on conditional planners. The two conditional planners we discuss are Peot and Smith's nonlinear conditional planner, CNLP, and our own linear conditional planner, PLINTH. We present a straightforward extension to conditional planners for which computing the necessary probabilities is simple, employing a commonly-made but perhaps overly-strong independence assumption. We also discuss a second approach to ε-safe planning which relaxes this independence assumption, involving the incremental construction of a probability dependence model in conjunction with the construction of the plan graph.