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語源

Coined by Donald R. Morrison in 1968, as an acronym of practical algorithm to retrieve information coded in alphanumeric, designed to spell out the name Patricia.

名詞

Patricia tree (plural Patricia trees)

1. (computing theory) A radix tree with radix of 2, meaning that each bit of the key is compared individually and each node is a two-way branch.
   • 1994, Saumyendra Sengupta, Carl P. Korobkin, C++: Object-Oriented Data Structures, Springer, →ISBN, page 505:

     A Patricia tree stores keys in its internal nodes, while would-be leaf pointers point to internal node.

派生語

• Merkle-Patricia tree

Further reading

• Radix tree § Variants on Wikipedia.Wikipedia