(data structure)

Definition: (1) A spatial access method that splits space with hierarchically nested, and possibly overlapping, boxes. The tree is height-balanced. (2) A recursion tree.

See also B-tree, P-tree (2), P-tree (3), R+-tree, R*-tree.

Author: PEB


(1) Ondřej Pavlata's Mg R-tree library(C++).

More information

(1) A. Guttman, R-trees: A Dynamic Index Structure for Spatial Searching, Proc ACM SIGMOD International Conference on Management of Data, 47-57, June 1984.
(2) Used in [GCG92]. Suggested by Rama Maiti, 19 August 2001.

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Entry modified 26 May 2011.
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Cite this as:
Paul E. Black, "R-tree", in Dictionary of Algorithms and Data Structures [online], Paul E. Black, ed. 26 May 2011. (accessed TODAY) Available from: