Skyline Ranking a la IR

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Provided by: Creative Commons
Topic: Data Management
Format: PDF
Skyline queries have emerged as an expressive and informative tool, with minimal user input and thus, they have gained widespread attention. However, previous research works tackle the problem from an efficiency standpoint, i.e., returning the skyline as fast as possible, leaving it to the user to manually inspect the entire skyline result. Clearly, this is impractical, even with a few dozen points. The techniques addressing this issue are computationally expensive, mapping to NP-Hard problems or having exponential complexity O(2d) with respect to data dimensionality d.
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