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Bottom-Up Computation (BUC)

    • BUC (Beyer & Ramakrishnan, SIGMOD’99)
    • Bottom-up cube computation
      • (Note: top-down in our view!)
    • Divides dimensions into partitions and facilitates iceberg pruning
      • If a partition does not satisfy min_sup , its descendants can be pruned
      • If minsup = 1 →compute full CUBE!
    • No simultaneous aggregation


      Speaker notes:

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