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Probabilistic Event Processing with Negation Operators in Cyber Physical Systems
Mao N(毛娜); Tan J(谭杰)
Conference NameProceedings of the 2015 International Conference on Cyber-Enabled Distributed Computing and Knowledge Discovery
Source PublicationIEEE
Conference Date2015-9-18
Conference PlaceXi`an, China
With the widely used sensor devices in many CPS applications, tremendous amounts of uncertain events are produced, which are too simple to be directly used. So Complex Event Processing (CEP) is introduced to get the complex and meaningful information based on event patterns or rules from the uncertain raw data. Meanwhile, the negation
operator for event processing is common and useful in CPS applications, so it is necessary to study the probabilistic event processing method with negation operators. In this paper, we take the mixed-model assembly line as an example for a CPS application. We describe a probabilistic event model and present Conditional Probability Matrix (CPM) to calculate the probability of target complex events. A probabilistic complex event detection algorithm with negation operators (PCEDN) with rNFA structure based on SASE is proposed. The experimental results show that our proposed method is efficient to detect complex events over probabilistic event streams with negation operators and it is sensitive to the pattern lengths.
KeywordCyber Physical Systems Probabilistic Complex Event Processing Negation Operators Mixed-model Assembly Lines
Indexed ByEI
Document Type会议论文
AffiliationInstitute of Automation, Chinese Academy of Sciences
First Author AffilicationInstitute of Automation, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Mao N,Tan J. Probabilistic Event Processing with Negation Operators in Cyber Physical Systems[C],2015.
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