Journal on Communications ›› 2014, Vol. 35 ›› Issue (11): 1-201.doi: 10.11959/j.issn.1000-436x.2014.11.022

• privacy protection •     Next Articles

Anonymization algorithm based on time density for data stream

Jing XIE,Jian-pei ZHANG,Jing YANG,Bing ZHANG   

  1. College of Computer Science and Technology,Harbin Engineering University,Harbin 150001,China
  • Online:2014-11-25 Published:2017-06-20
  • Supported by:
    The National Natural Science Foundation of China;The National Natural Science Foundation of China;The National Natural Science Foundation of China;The National Natural Science Foundation of China;The National Research Foundation for the Doctoral Program of Higher Education of China;The National Research Foundation for the Doctoral Program of Higher Education of China

Abstract:

Aim to address the problem of anonymization on data streams,an anonymization algorithm based on time density for data stream was proposed.Time weight and time density were designed for describing the data stream’s temporal,when the published clusters reach the threshold,it will delete the minimum time density cluster to ensure the availability of published clusters.Furthermore,in order to maintain the higher efficiency,the algorithm scans the data only once to satisfy the anonymization requirements for speeding up.The experimental results on the real dataset show that the algorithm is efficient and effective meanwhile the quality of the output data.

Key words: privacy preserving, data stream, anonymization, temporalitaet

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