(data structure)

Definition: (1) A BB(α) tree where the weights are the number of searches down that path. (2) A height-balanced binary tree that divides regions along their boundaries to serve as a spatial access method.

Generalization (I am a kind of ...)
(1) BB(α) tree (2) binary tree, spatial access method, height-balanced tree.

Note: (1) Short for "dynamic tree".

Author: PEB

More information

(1) Kurt Mehlhorn, Dynamic Binary Search, SIAM Journal on Computing, 8(2):175-198, May 1979.

(2) Jianliang Xu, Baibua Zheng, Wang-Chien Lee, and Dik Lun Lee, The D-tree: An Index Structure for Planar Point Queries in Location-Based Wireless Services, IEEE Transactions on Knowledge and Data Engineering, 16(12):1526- 1542, December 2004.

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Entry modified 11 February 2011.
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Cite this as:
Paul E. Black, "D-tree", in Dictionary of Algorithms and Data Structures [online], Paul E. Black, ed. 11 February 2011. (accessed TODAY) Available from: