Complex Event Processing in Esper

Data Stream Management and Complex Event Processing in Esper INF5100, Autumn 2010 Jarle Søberg Outline • Overview of Esper • DSMS and CEP concepts in Esper – Examples taken from the documentation • A lot of possibilities • We focus at the ones that extend traditional SQL • Esper’s query processing model • Code example taken from the documentation – Neither the concept descriptions nor the code exa

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The aggregate functions are sum, avg, count, max, min, median, stddev, avedev