id: 70616139 dt: a an: 70616139 au: Hu, Jian-Bin; Wang, Yonggang; Yang, Tao; Guan, Zhi; Gui, Nike; Chen, Zhong ti: Produre: A novel proximity discovery mechanism in location tagging system so: CISIS, 238-245 (2011). py: 2011 pu: la: EN cc: ut: ci: li: doi:10.1007/978-3-642-21323-6_30