James R. Bell – Communications of the ACM

Research and Advances Jan 1 1983

The quadratic quotient method: a hash code eliminating secondary clustering

Secondary clustering as a cause of hash code inefficiency is discussed, and a new hashing method based on its elimination is presented. Comparisons with previous methods…

Author Archives

Research and Advances Jun 1 1973

Threaded code

The concept of “threaded code” is presented as an alternative to machine language code. Hardware and software realizations of it are given. In software it is…

Research and Advances Nov 1 1970

The linear quotient hash code

A new method of hash coding is presented and is shown to possess desirable attributes. Specifically, the algorithm is simple, efficient, and exhaustive, while needing…

Research and Advances Feb 1 1970

The quadratic quotient method: a hash code eliminating secondary clustering

Secondary clustering as a cause of hash code inefficiency is discussed, and a new hashing method based on its eliminiation is presented. Comparisons with previous methods…

Research and Advances Oct 1 1969

A new method for determining linear precedence functions for precedence grammars

The precedence relations of a precedence grammar can be precisely described by a two-dimensional precedence matrix. Often the information in the matrix can be represented…

Computing Applications

Research and Advances Jul 1 1968

Algorithm 334: Normal random deviates

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