Ming-Hui Jin Jorng-Tzong Horng Meng-Feng Tsai Eric Hsiao-Kuang Wu Location query based on moving behaviors. 385-401 2007 32 Inf. Syst. 3 http://dx.doi.org/10.1016/j.is.2005.11.009 db/journals/is/is32.html#JinHTW07