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    IS
    2007
    106views Artificial Intelligence» more  IS 2007»
    Semantic optimization techniques for preference queries
    14 years 8 months ago
    Semantic optimization techniques for preference queries
    Download  www.cse.buffalo.edu
    Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). Such queries are pa...
    Jan Chomicki
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