Zachary G. Ives Alon Y. Levy Daniel S. Weld Daniela Florescu Marc Friedman Adaptive Query Processing for Internet Applications. 19-26 2000 http://sites.computer.org/debull/A00JUN-CD.pdf 23 IEEE Data Eng. Bull. 2 db/journals/debu/debu23.html#IvesLWFF00