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IEICE TRANSACTIONS on Information

A Semantic-Based Dual Location Privacy-Preserving Approach

Xudong YANG, Ling GAO, Yan LI, Jipeng XU, Jie ZHENG, Hai WANG, Quanli GAO

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Summary :

With the popularity and development of Location-Based Services (LBS), location privacy-preservation has become a hot research topic in recent years, especially research on k-anonymity. Although previous studies have done a lot of work on anonymity-based privacy protection, there are still several challenges far from being perfectly solved, such as the negative impact on the security of anonymity by the semantic information, which from anonymous locations and query content. To address these semantic challenges, we propose a dual privacy preservation scheme based on the architecture of multi-anonymizers in this paper. Different from existing approaches, our method enhanced location privacy by integrating location anonymity and the encrypted query. First, the query encryption method that combines improved shamir mechanism and multi-anonymizers is proposed to enhance query safety. Second, we design an anonymity method that enhances semantic location privacy through anonymous locations that satisfy personal semantic diversity and replace sensitive semantic locations. Finally, the experiment on the real dataset shows that our algorithms provide much better privacy and use than previous solutions.

Publication
IEICE TRANSACTIONS on Information Vol.E105-D No.5 pp.982-995
Publication Date
2022/05/01
Publicized
2022/02/16
Online ISSN
1745-1361
DOI
10.1587/transinf.2021EDP7185
Type of Manuscript
PAPER
Category
Information Network

Authors

Xudong YANG
  Northwest University
Ling GAO
  Northwest University
Yan LI
  Northwest University
Jipeng XU
  Northwest University
Jie ZHENG
  Northwest University
Hai WANG
  Northwest University
Quanli GAO
  Northwest University

Keyword