Sökning: "Block-Nested-Loop algorithm"

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  1. 1. TOP-K AND SKYLINE QUERY PROCESSING OVER RELATIONAL DATABASE

    Master-uppsats, JTH. Forskningsmiljö Informationsteknik

    Författare :Rafat Samara; [2012]
    Nyckelord :Top-k query; Skyline query; Fagin’s algorithm; Threshold Algorithm; No random access algorithm; Minimal Probing algorithm; Block-Nested-Loop algorithm; Nearest Neighbor algorithm; Branch and Bound Skyline Algorithm; Divide and Conquer algorithm;

    Sammanfattning : Top-k and Skyline queries are a long study topic in database and information retrieval communities and they are two popular operations for preference retrieval. Top-k query returns a subset of the most relevant answers instead of all answers. Efficient top-k processing retrieves the k objects that have the highest overall score. LÄS MER