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    SIGMOD
    1997
    ACM
    172views Database» more  SIGMOD 1997»
    An Array-Based Algorithm for Simultaneous Multidimensional Aggregates
    13 years 11 months ago
    An Array-Based Algorithm for Simultaneous Multidimensional Aggregates
    Download  www.cs.sfu.ca
    Computing multiple related group-bys and aggregates is one of the core operations of On-Line Analytical Processing (OLAP) applications. Recently, Gray et al. [GBLP95] proposed the...
    Yihong Zhao, Prasad Deshpande, Jeffrey F. Naughton
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    SIGMOD
    1999
    ACM
    181views Database» more  SIGMOD 1999»
    Approximate Computation of Multidimensional Aggregates of Sparse Data Using Wavelets
    13 years 11 months ago
    Approximate Computation of Multidimensional Aggregates of Sparse Data Using Wavelets
    Download  www.ittc.ku.edu
    Computing multidimensional aggregates in high dimensions is a performance bottleneck for many OLAP applications. Obtaining the exact answer to an aggregation query can be prohibit...
    Jeffrey Scott Vitter, Min Wang
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