%0 Journal Article %J ACM Transactions on Database Systems (TODS) %D 2006 %T Adaptive pull-based policies for wide area data delivery %A Bright,L. %A Gal,A. %A Raschid, Louiqa %B ACM Transactions on Database Systems (TODS) %V 31 %P 631 - 671 %8 2006/// %G eng %N 2