quad trie

(data structure)

Definition: A tree in which each node is split according to some subset of the key, typically a character.

See also quadtree, digital tree, Patricia tree.

Note: After [GBY91, pages 146-149].

The name comes from reTRIEval and is pronounced, "tree". See the historical note at trie.

Author: PEB


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Entry modified 24 August 2017.
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Cite this as:
Paul E. Black, "quad trie", in Dictionary of Algorithms and Data Structures [online], Vreda Pieterse and Paul E. Black, eds. 24 August 2017. (accessed TODAY) Available from: