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    SBBD
    2001
    119views Database» more  SBBD 2001»
    The Dimension-Join: A New Index for Data Warehouses
    14 years 2 months ago
    The Dimension-Join: A New Index for Data Warehouses
    Download  pages.cs.wisc.edu
    There are several auxiliary pre-computed access structures that allow faster answers by reading less base data. Examples are materialized views, join indexes, B-tree and bitmap in...
    Pedro Bizarro, Henrique Madeira
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    VLDB
    2004
    ACM
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    On the performance of bitmap indices for high cardinality attributes
    14 years 6 months ago
    On the performance of bitmap indices for high cardinality attributes
    Download  www.vldb.org
    It is well established that bitmap indices are efficient for read-only attributes with low attribute cardinalities. For an attribute with a high cardinality, the size of the bitma...
    Kesheng Wu, Ekow J. Otoo, Arie Shoshani
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