Data sampling method for determining salient values in a large data stream
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United States of America Patent
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Jun 21, 2016
Grant Date -
Sep 18, 2014
app pub date -
Mar 12, 2013
filing date -
Mar 12, 2013
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Abstract
Techniques are disclosed for presenting users with relevant data and statistics related to the operations of an industrial system. Data obtained by a SCADA system may be stored in a real-time status database (which reflects the current process data of the industrial system) and a historian database (which archives the process data from the industrial system as it changes over time). A user may request from the SCADA system process data obtained during a specified period of time. The request may be subdivided into a plurality of time intervals, and process data associated with each time interval may be analyzed to determine one or more salient values that are representative of the interval. The salient values associated with each time interval then may be transmitted to the user in response to the process data request.
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