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VLDB '92 Proceedings of the 18th International Conference on Very Large Data Bases
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VLDB '96 Proceedings of the 22th International Conference on Very Large Data Bases
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Euro-Par '97 Proceedings of the Third International Euro-Par Conference on Parallel Processing
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WAIM'11 Proceedings of the 12th international conference on Web-age information management
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This paper proposes a strategy for parallel composite event detection in active database management systems. Up to now, event detection is sequential and totally synchronized, and thus preserves the timely order of events during the detection process. However, in distributed and extensible applications events may occur simultaneously in parallel unsynchronized streams. In order to adapt composite event detection to those new requirements we relax the timely order of events to a partial order and process parallel event streams. As a consequence, composite event detection must deal with unsynchronized and parallel event compositions. Our approach introduces a hybrid parallelization strategy for composite event detection in Active Database Management Systems that respects the timely order of events.