Computer Science ›› 2017, Vol. 44 ›› Issue (4): 140-143.doi: 10.11896/j.issn.1002-137X.2017.04.030

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CEStream:A Complex Event Stream Processing Language

WANG Yi-xiong, LIAO Hu-sheng, KONG Xiang-xuan, GAO Hong-yu and SU Hang   

  • Online:2018-11-13 Published:2018-11-13

Abstract: Complex event processing is one of the core technologies of stream processing platform which supports big data processing.A new style event stream processing language,named CEStream,supports complex event processing in distributed environment.This language takes hierarchical data as data model,such as XML,and also provides a feature for complex event detecting,which is named regular tree pattern matching.This feature supports structural connection and regular expression matching.Moreover,aiming at distributed multi-sources event stream,CEStream provides anotherfeature that matches each pattern matching result once again by regular expression which describes time sequence for each result.This feature supports the demand of multi-sources composite complex event detecting,and has good ability of event processing.To implement CEStream language,a process engine system was developed based on stream data processing cluster and remote querying agent.This system provides a feature which uses remote querying agent to detect events by regular tree pattern,and provides another feature which uses stream processing cluster to process multi-sources composite complex events.It’s demonstrated by experiments that this system has implemented CEStream language,has effectively made constraint on communication flows between each node in cluster,has capitalized on ability of cluster computing,and it supports the demand of comprehensive performance.

Key words: Complex event processing,Computer language,Stream computing

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