A simple perfect hashing method for static sets
M. Ramakrishna
Abstract
M. Ramakrishna
Abstract
Perfect hashing refers to hashing without collisions. There are a number of methods proposed in the literature for determining perfect hashing functions for a given key set. Direct perfect hashing methods are those which do not involve auxiliary table lookup. This paper proposes a direct perfect hashing method using random functions. This method is shown to be as good as any other in performance, and simple to use.>
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Perfect hashing refers to hashing without collisions. There are a number of methods proposed in the literature for determining perfect hashing functions for a given key set. Direct perfect hashing methods are those which do not involve auxiliary table lookup. This paper proposes a direct perfect hashing method using random functions. This method is shown to be as good as any other in performance, and simple to use.>
Key concepts: Dynamic perfect hashing, Hash table, Simple (philosophy), Hash function, Perfect hash function, Consistent hashing, K-independent hashing, Computer science