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Ranking Cube: Methodology and Extension

  • Ranking cube methodology
    • Push selection and ranking simultaneously
    • It works for many sophisticated ranking functions
  • How to support high-dimensional data?
    • Materialize only those atomic cuboids that contain single selection dimensions
      • Uses the idea similar to high-dimensional OLAP
      • Achieves low space overhead and high performance in answering ranking queries with a high number of selection dimensions

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