Composite event detection method and system for real-time perception environment

A technology of event detection and events, applied in the direction of multi-program devices, etc., to achieve the effect of improving real-time performance and improving construction efficiency

Active Publication Date: 2012-09-12
INST OF AUTOMATION CHINESE ACAD OF SCI
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Problems solved by technology

[0005] Considering the impact of system response timing constraints and event pattern complexity on event pattern matching and response sequence, the technical problem to be solved in the present invention is to consider the timing constraints of the response time of the business rule where the event pattern is located and the complexity of the event pattern as Event pattern assignment priority, then, optimize the construction method of the event pattern matching model according to the event pattern priority that can represent different event patterns with different abilities to complete the matching within the given timing constraints, so that a single state appears in the compound event matching model When a node has

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[0042] figure 2 A schematic flowchart of the event detection method oriented to the real-time perception environment according to the present invention is shown. An implementation manner of the event detection method oriented to the real-time perception environment specifically includes the following steps:

[0043] Step S1 : customizing business rules, the user inputs business rules including event patterns, and provides timing constraint requirements for system response to the business rules.

[0044] Step S2: The system response timing constraint acquisition module 101 extracts and stores and manages (provides data query, insert, delete, update, modify and other management operations) the business rule system response timing constraint requirements provided by the user and the event pattern in the current business rule.

[0045] The system response timing constraint acquisition module 101 stores the timing constraint requirement information of the system response of the bu...

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Abstract

The invention discloses a composite event detection method and a system for real-time perception environment. Considering influences of system response timing constraint requirements and the event pattern complexity on event pattern matching and response orders, the method assigns priorityto the existing event pattern according to the system response timing requirements andthe event pattern complexity, and the method optimizes the implementation of event pattern match and system response according to composite event priority, so a real-time demand of upper application for the system response in the real-time perception environment. The invention also discloses a composite event detection system forthe real-time perception environment corresponding to the above method.

Description

technical field [0001] The invention belongs to the technical field of composite event processing (CEP), and in particular relates to an event detection method and system that meet the real-time requirements of a composite event processing system response in a real-time perception environment. Background technique [0002] In the existing real-time system, the system requires not only the logical correctness of data processing, but also the completion of data processing tasks within a limited time. With the increase of data, in order to ensure the accuracy of data query and processing, the timing constraints on the response time of processing data become more and more important. For example, in the RFID system application environment, although the existing RFID event detection technology can realize the timely processing of the event stream, the time for matching each event pattern cannot be effectively constrained and estimated, which makes the response time of the event de...

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Application Information

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IPC IPC(8): G06F9/46
Inventor 谭杰李娜关强赵红胜
Owner INST OF AUTOMATION CHINESE ACAD OF SCI
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