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    National Tsing Hua University Institutional Repository > 歷任校長 > 李家同 (1993-1994) > 期刊論文  >  Optimal Multiple Key Hashing Files for Orthogonal Range Queries

    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/80779

    Title: Optimal Multiple Key Hashing Files for Orthogonal Range Queries
    Authors: Liang, J.;Chang, C. C.;McFadyen, R. G.;Lee, R. C. T.
    教師: 李家同
    Date: 1994
    Publisher: Elsevier
    Relation: INFORMATION SCIENCES, Elsevier, Volume 79, Issue 1-2, JUL 1994, Pages 145-158
    Keywords: RETRIEVAL
    Abstract: This paper mainly explores the design of the multiple key hashing file (MKHF) for orthogonal range retrieval. First, we show the optimal MKHF design problem for orthogonal range queries (ORQs) is NP-hard. Then the performance formula of the MKHF over all possible ORQs is derived. We also present a theoretical lower bound on the performance of the MKHF over all possible ORQs. Finally, a very interesting phenomenon existing in the optimal orthogonal range information retrieval system and the optimal partial match information retrieval system is presented.
    Relation Link: http://www.elsevier.com/wps/find/homepage.cws_home
    URI: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/80779
    Appears in Collections:[李家同 (1993-1994)] 期刊論文
    [資訊工程學系] 期刊論文

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