Data Management

Estimation of the Maximum Domination Value in Multi-Dimensional Data Sets

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Executive Summary

The last years there is an increasing interest for query processing techniques that take into consideration the dominance relationship between objects to select the most promising ones, based on user preferences. Skyline and top-k dominating queries are examples of such techniques. A skyline query computes the objects that are not dominated, whereas a top-k dominating query returns the k objects with the highest domination score. To enable query optimization, it is important to estimate the expected number of skyline objects as well as the maximum domination value of an object.

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