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• [P550] Improved Adaptive Cleaning Method for RFID Data Stream
  Author(s): Duo Zhang, Chunkai Zhang
  
  

  Abstract
  Significant missed readings and tag transitions pose a challenge for real-time RFID middleware in data reliability. Fixed cleaning method proposed can only address the data completeness while neglect to capture the motion of tags. Shawn R. Jeffery introduced an adaptive cleaning method which can compensate missed readings and the dynamic tags, but we find its accuracy falls sometimes when tag moves out the detected region. In this paper, we present an improved method, which can provide a better accuracy in both smoothing missed readings and detecting tag transitions, and experiment result had shown that our method can improve data reliability clearly by about 15% to gain a better quality of data.

  
   

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