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Why SA Can Beat the Exponential Explosion in Heuristic Search

Zhang Bo; Zhang Ling;   

  1. Tsinghua University; Anqing Teacher s College;
  • Online:1990-05-10 Published:1990-05-10

In tree (or graph) search,most algorithms mainly use the local heuristic information of each indi- vidual node.But in the statistical heuristic search algorithms the global information about subtrees is used effectively so that the computational complexity is greatly reduced.In this paper the problem of how the global information can be extracted from the local one is discussed.Some features of SA are also concerned.

Key words: computer software; query containment; conditioned homomorphism; tree pattern; XML; Xpath; volume visualization; volume rendering; virtual reality; volumegraphics; object simplification; level of detail; wavelets theory;



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