BIT Numerical Mathematics

, Volume 23, Issue 3, pp 274–294 | Cite as

Interpolation-based index maintenance

  • Walter A. Burkhard
Part I Computer Science


A new interpolation-based order preserving hashing algorithm suitable for on-line maintenance of large dynamic external files under sequences of four kinds of operationsinsertion, update, deletion, andorthogonal range query is proposed. The scheme, an adaptation of linear hashing, requires no index or address directory structure and utilizesO(n) space for files containingn records; all of the benefits of linear hashing are inherited by this new scheme. File implementations yielding average successful search lengths much less than 2 and average unsuccessful search lengths much less than 4 for individual records are obtainable; the actual storage required is controllable by the implementor.


data structures hashing range queries order preservation algorithms complexity 


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Copyright information

© BIT Foundations 1983

Authors and Affiliations

  • Walter A. Burkhard
    • 1
  1. 1.Department of Electrical Engineering and Computer SciencesUniversity of California, San DiegoLa Jolla

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