Improved location privacy protection method based on SpaceTwist

doi:10.3969/j.issn.1000-1565.2017.03.011

Abstract

Abstract: The trade-off between location-based query quality and location privacy protection in mobile internet is one of the current research hotspots.This paper proposes an anonymous incremental query location privacy protection method based on the SpaceTwist scheme.The client-server architecture is used in this paper.The k anonymous area is formed and the centroid of the anonymous area is used as the anchor point.After anonymous transformation,the real location is excluded in the anonymous area.It changes the query range in the form of incremental and returns the query result set.It avoids using a third-party server or it will become a point of attack,and it improves the accuracy of the query while ensuring the user's location privacy effect.

Key words: location privacy protection, location-based service, k anonymous, anchor, anonymous transformation

CLC Number:

TP391

YANG Xiaohui,ZHU Ye,HU Qianru. Improved location privacy protection method based on SpaceTwist[J]. Journal of Hebei University (Natural Science Edition), 2017, 37(3): 287-293.

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