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Frontiers of Computer Science

ISSN 2095-2228

ISSN 2095-2236(Online)

CN 10-1014/TP

Postal Subscription Code 80-970

2018 Impact Factor: 1.129

Front. Comput. Sci.    2022, Vol. 16 Issue (3) : 163605    https://doi.org/10.1007/s11704-020-0271-y
LETTER
Similarity-based privacy protection for publishing k-anonymous trajectories
Shuai WANG1,2, Chunyi CHEN1(), Guijie ZHANG3
1. School of Computer Science and Technology, Changchun University of Science and Technology, Changchun 130022, China
2. Teacher Training Center of Colleges and Universities of Jilin Province, Jilin Normal University, Siping 136000, China
3. School of Computer Science and Technology, Jilin Normal University, Siping 136000, China
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Corresponding Author(s): Chunyi CHEN   
Just Accepted Date: 18 September 2020   Issue Date: 18 September 2021
 Cite this article:   
Shuai WANG,Chunyi CHEN,Guijie ZHANG. Similarity-based privacy protection for publishing k-anonymous trajectories[J]. Front. Comput. Sci., 2022, 16(3): 163605.
 URL:  
https://academic.hep.com.cn/fcs/EN/10.1007/s11704-020-0271-y
https://academic.hep.com.cn/fcs/EN/Y2022/V16/I3/163605
Fig.1  The position relation of trajectories
Measure T 2 T 3 T 4 T 5 T 6
DMST 0.71 0.71 0.68 0.67 0.61
ED 0 0 1 1 1
EUD 1 1 1.20 1.40 4.60
Tab.1  Similarity between T 1 and T 2 to T 6 ( α=1/2, β=1)
Fig.2  TRN of trajectories in Fig.1
1 K Liu , J Yang . Trajectory distance metric based on edit distance. Journal of Shanghai Jiaotong University, 2009, 43( 11): 50– 54
2 S Wang , C Chen , G Zhang , Y Xin . Interchange-based privacy protection for publishing trajectories. IEEE Access, 2019, 7( 1): 138299– 138314
3 Abul O, Bonchi F, Nanni M. Never walk alone: uncertainty for anonymity in moving objects databases. In: Proceedings of IEEE International Conference on Data Engineering. 2008, 376-385
4 Y Xin , Z Xie , J Yang . The privacy preserving method for dynamic trajectory releasing based on adaptive clustering. Information Sciences, 2017, 378 : 131– 143
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