(data structure)

Definition: A generalized BD-tree, hence the name, which stores spatially extended objects as a hierarchy of minimum bounding boxes. It is a balanced multiway tree which serves as a spatial access method.

Generalization (I am a kind of ...)
spatial access method.

Note: After [GG98, page 211].

Author: PEB

More information

Yutaka Ohsawa and Masao Sakauchi, A New Tree Type Data Structure with Homogeneous Nodes Suitable for a Very Large Spatial Database, Proc. Sixth International Conference on Data Engineering, February 5-9, 1990, Los Angeles, California, USA, pages 296-303.

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Entry modified 14 May 2007.
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Cite this as:
Paul E. Black, "GBD-tree", in Dictionary of Algorithms and Data Structures [online], Paul E. Black, ed. 14 May 2007. (accessed TODAY) Available from: