By James R. Driscoll, Y. Edmund Lien
Communications of the ACM,
June 1978,
Vol. 21 No. 6, Pages 445-447
10.1145/359511.359515
Comments
The problem of selecting data items from a binary search tree according to a list of range conditions is considered. The process of visiting a minimal number of nodes to retrieve data satisfying the range conditions is called selective traversal. Presented in this paper is an algorithm for selective traversal which uses a tag field for each node in the tree. The algorithm is particularly useful and efficient when examination of data is more time consuming than examination of a tag field.
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