A geometric approach to approximate continuous k-median query. - Zhihong Chong; Jiajia Bao; Weiwei Ni; Aibo Song; Yinghao Xie; Jinwang Zheng (IUCS, 2010)

Approximate K-Median of Location Streams with Redundancy and Inconsistency. - Zhihong Chong; Weiwei Ni; Lizhen Xu; Zhuoming Xu; Hu Shu; Jinwang Zheng (Int. J. Softw. Informatics, 2010)

Location Privacy Protection in the Presence of Users' Preferences. - Weiwei Ni; Jinwang Zheng; Zhihong Chong; Shan Lu; Lei Hu (WAIM, 2011)

HilAnchor: Location Privacy Protection in the Presence of Users' Preferences. - Weiwei Ni; Jinwang Zheng; Zhihong Chong (J. Comput. Sci. Technol., 2012)