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Multi-Way Array Aggregation for Cube Computation (Method Summary)

  • Method: the planes should be sorted and computed according to their size in ascending order
    • Idea: keep the smallest plane in the main memory, fetch and compute only one chunk at a time for the largest plane
  • Limitation of the method: computing well only for a small number of dimensions
    • If there are a large number of dimensions, “top-down” computation and iceberg cube computation methods can be explored

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