A Complex Event Detection Method for Multi-probability RFID Event Stream

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Provided by: Academy Publisher
Topic: Mobility
Format: PDF
Aiming to solve the problems of big combination number of possible events and high memory consumption and low detection efficiency during the detection process of Naive method for multi-probability RFID event streams, a new complex event detection method based on NFA-DAG (Nondeterministic Finite Automaton-Directed Acyclic Graph) is presented for multi-probability RFID event stream in this paper. The achievement of the authors' proposed algorithm lies that they use the union of NFA and DAG to detect multiple-probability RFID event stream, as a result, it can effectively improve those problems above existed in Naive method.
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