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Stream data processing method and system

  • US 8,032,554 B2
  • Filed: 08/07/2009
  • Issued: 10/04/2011
  • Est. Priority Date: 10/28/2008
  • Status: Active Grant
First Claim
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1. A stream data processing method in a system conducting query processing on stream data, the method comprising:

  • sectioning, when the query includes a time-based window in which the stream data arriving at the system within a given time interval is to be processed, the time-based window into sub-windows each having a smaller width;

    generating at least one aggregation tuple that aggregates the stream data included within the sub-window; and

    calculating the query processing result based on the aggregation tuple.

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