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System with a data aggregation module generating aggregated data for responding to OLAP analysis queries in a user transparent manner

  • US 20100042645A1
  • Filed: 10/22/2009
  • Published: 02/18/2010
  • Est. Priority Date: 02/28/2000
  • Status: Active Grant
First Claim
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1. An on-line analytical processing (OLAP) system, comprising:

  • a data aggregation module for servicing queries directed towards high dimensionality sparse data sets, said data aggregation module including;

    (1) a multi-dimensional datastore,(2) an hierarchy transformation module for receiving an original hierarchical database structure of said OLAP system defining parent-child relationships of levels within dimensions and converting said hierarchical database structure into a functionally equivalent hierarchical database structure optimized for rapid aggregation, storage and retrieval of sparse data; and

    (3) an aggregation engine for aggregating said large data sets, including sparse data, according to said functionally equivalent hierarchy.

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