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A refinement of a compression-oriented addressing scheme

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Abstract

Chang and Wu have proposed a letter-oriented perfect hashing scheme based on sparse matrix compression. We present a method which is a refinement of the Chang-Wu scheme. By experimental evaluation, we show that the hashing of our refinement has more efficient storage utilization than Chang-Wu's method. Our refinement is valuable in practical implementations of hashing for large sets of keys.

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References

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  3. Sprugnoli, R.,Perfect hashing functions: a single probe retrieving method for static sets, Communications of the ACM, Vol. 20, No. 11, 1977, pp. 841–850.

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Author information

Authors and Affiliations

  1. Institute of Computer Science and Information Engineering, National Chung Cheng University, Chiayi, Taiwan 621, R.O.C.

    Chin-Chen Chang

  2. Institute of Applied Mathematics, National chung Hsing University, Taichung, Taiwan 402, R.O.C.

    Huey-Cheue Kowng

  3. Department of Information Management, National Taiwan Institute of Technology, Taipei, Taiwan 107, R.O.C.

    Tzong-Chen Wu

Authors
  1. Chin-Chen Chang
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  2. Huey-Cheue Kowng
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  3. Tzong-Chen Wu
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Chang, CC., Kowng, HC. & Wu, TC. A refinement of a compression-oriented addressing scheme. BIT 33, 529–535 (1993). https://doi.org/10.1007/BF01990533

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  • DOI: https://doi.org/10.1007/BF01990533

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