Incremental aggregation-based event pattern matching
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United States of America Patent
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Oct 13, 2015
Grant Date -
Dec 11, 2014
app pub date -
Jun 10, 2013
filing date -
Jun 10, 2013
priority date (Note) -
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Abstract
Aspects of the present invention provide a solution for recognizing a pattern in a set of data, such as data streaming over a data communication system. In an embodiment, a set of data events is retrieved in the data stream. The retrieved objects each have a plurality of characteristics that can be matched to a predetermined desired characteristic, such as a key value. The retrieved data events can be evaluated with respect to a pattern, with a characteristic of data events being evaluated with respect to an aggregate value related to the pattern. This aggregate value can be updated incrementally based on the data in the characteristic. Based on the evaluation, a determination as to whether the set of data events received subsequent to the first object satisfies the pattern.
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