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    Optimum Algorithms for a Model of Direct Chaining

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    vitter_1985.pdf (1.218Mb)
    Issue Date
    1985-05
    Author
    Vitter, Jeffrey Scott
    Chen, Wen-Chin
    Publisher
    Society for Industrial and Applied Mathematics
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Metadata
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    Abstract
    Direct chaining is a popular and efficient class of hashing algorithms. In this paper we study optimum algorithms among direct chaining methods, under the restrictions that the records in the hash table are not moved after they are inserted, that for each chain the relative ordering of the records in the chain does not change after more insertions, and that only one link field is used per table slot. The varied-insertion coalesced hashing method (VICH), which is proposed and analyzed in [CV84], is conjectured to be optimum among all direct chaining algorithms in this class. We give strong evidence in favor of the conjecture by showing that VICH is optimum under fairly general conditions.
    URI
    http://hdl.handle.net/1808/7170
    DOI
    https://doi.org/10.1137/0214036
    Collections
    • Distinguished Professors Scholarly Works [918]
    • Electrical Engineering and Computer Science Scholarly Works [302]
    • Provost Office Published Articles [95]
    Citation
    J. S. Vitter and W.-C. Chen. “Optimum Algorithms for a Model of Direct Chaining,” SIAM Journal on Computing, 14(2), May 1985, 490–499. http://dx.doi.org/10.1137/0214036

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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