Optimal aggregation algorithms for middleware

    Symposium on Principles of Database Systems, pp. 614-656, 2003.

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    Keywords:
    highest overall grademonotone aggregation functionshape gradecolor graderandom accessMore(8+)

    Abstract:

    Assume that each object in a database has m grades, or scores, one for each of m attributes. For example, an object can have a color grade, that tells how red it is, and a shape grade, that tells how round it is. For each attribute, there is a sorted list, which lists each object and its grade under that attribute, sorted by grade (highes...More

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