(data structure)
Definition: A compact representation of a trie in which any node that is an only child is merged with its parent.
Also known as radix tree.
Generalization (I am a kind of ...)
trie.
Specialization (... is a kind of me.)
suffix tree.
See also compact DAWG.
Note: A compact directed acyclic word graph (DAWG) merges common suffix trees to save additional space.
A radix tree is taken to be a binary Patricia tree.
Author: SE
Donald R. Morrison, PATRICIA - Practical Algorithm to Retrieve Information Coded in Alphanumeric, Journal of the ACM, 15(4):514-534, October 1968.
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Entry modified 1 December 2010.
HTML page formatted Tue Dec 6 16:16:32 2011.
Cite this as:
Stefan Edelkamp, "Patricia tree", in
Dictionary of Algorithms and Data
Structures [online], Paul E. Black, ed.,
U.S. National Institute of
Standards and Technology. 1 December 2010. (accessed TODAY)
Available from: http://www.nist.gov/dads/HTML/patriciatree.html