Shu Liu, Aaron Striegel. Accurate Extraction of Face-to-Face Proximity Using Smartphones and Bluetooth. In Haohong Wang, Jin Li, George N. Rouskas, Xiaobo Zhou, editors, Proceedings of 20th International Conference on Computer Communications and Networks, ICCCN 2011, Maui, Hawaii, July 31 - August 4, 2011. pages 1-5, IEEE, 2011. [doi]
Abstract is missing.