Optimal aggregation algorithms for middleware
Symposium on Principles of Database Systems, pp. 614-656, 2003.
highest overall grademonotone aggregation functionshape gradecolor graderandom accessMore(8+)
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
Full Text (Upload PDF)