The Downward Refinement Property

  title={The Downward Refinement Property},
  author={Fahiem Bacchus and Qiang Yang},
Using abstraction in planning does not guarantee an im­ provement in search efficiency; it is possible for an abstract planner to display worse performance than one that does not use abstraction. Analysis and experiments have shown that good abstraction hierarchies have, or are close to having, the downward refinement property, whereby, given that a… CONTINUE READING