# B* search algorithm

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B* search algorithm

In computer science, B* (pronounced "B star") is a best-first, graph search algorithm that finds the least-cost path from a given initial node to one goal node (out of one or more possible goals). First published by Hans Berliner in 1979, it is related to the A* search algorithm. It stores intervals for nodes of the tree as opposed to single point-valued estimates. Then, leaf nodes of the tree can be searched until one of the top level nodes has an interval which is clearly "best."

References

* cite journal
first = Hans
last = Berliner
title = [http://dx.doi.org/10.1016/0004-3702(79)90003-1 The B* Tree Search Algorithm. A Best-First Proof Procedure.]
journal = Artificial Intelligence (journal)
volume = 12
issue = 1
pages = pp. 23–40
year = 1979
doi = 10.1016/0004-3702(79)90003-1

* cite book
first = S. J.
last = Russell
coauthors = Norvig, P.
title =
year = 2003
pages = pp. 188
id = ISBN 0-13-790395-2

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