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Computing (FOLDOC) dictionary
balanced tree
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algorithm An optimisation of a tree which aims to keep
equal numbers of items on each subtree of each node so as to
minimise the maximum path from the root to any leaf node.
As items are inserted and deleted, the tree is restructured to
keep the nodes balanced and the search paths uniform. Such an
algorithm is appropriate where the overheads of the
reorganisation on update are outweighed by the benefits of
faster search.