The following publications are possibly variants of this publication:
- Privacy preserving group nearest neighbor queriesTanzima Hashem, Lars Kulik, Rui Zhang. edbt 2010: 489-500 [doi]
- Ensuring privacy in presence awareness: an automated verification approachPatrice Godefroid, James D. Herbsleb, Lalita Jategaonkar Jagadeesan, Du Li. cscw 2000: 59-68 [doi]
- A DCT-based privacy-preserving approach for efficient data miningFeng Tian, Xiaolin Gui, Jian An, Pan Yang, Xuejun Zhang, Jianqiang Zhao. scn, 8(18):3641-3652, 2015. [doi]