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    ICDT
    1999
    ACM
    82views Database» more  ICDT 1999»
    The Data Warehouse of Newsgroups
    13 years 11 months ago
    The Data Warehouse of Newsgroups
    Download  www.cs.brown.edu
    Electronic newsgroups are one of the primary means for the dissemination, exchange and sharing of information. We argue that the current newsgroup model is unsatisfactory, especial...
    Himanshu Gupta, Divesh Srivastava
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    SIGMOD
    2007
    ACM
    219views Database» more  SIGMOD 2007»
    Efficient exploitation of similar subexpressions for query processing
    14 years 7 months ago
    Efficient exploitation of similar subexpressions for query processing
    Download  research.microsoft.com
    Complex queries often contain common or similar subexpressions, either within a single query or among multiple queries submitted as a batch. If so, query execution time can be imp...
    Jingren Zhou, Johann Christoph Freytag, Per-Å...
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