Improve the Performance of Data Grids by Value-Based Replication Strategy - Zhao, Wuqing; Xu, Xianbin; Wang, Zhuowei; Zhang, Yuping; He, Shuibing (2010 Sixth International Conference on Semantics, Knowledge and Grids, Semantics Knowledge and Grid (SKG), 2010 Sixth International Conference on, 2010)