Tengjiao Wang Bishan Yang Allen Huang Qi Zhang Jun Gao Dongqing Yang Shiwei Tang Jinzhong Niu Dynamic Data Migration Policies for Query-Intensive Distributed Data Environments. 63-75 2009 APWeb/WAIM http://dx.doi.org/10.1007/978-3-642-00672-2_8 conf/waim/2009 db/conf/waim/waim2009.html#WangYHZGYTN09