title: query caching and optimization in distributed mediator systems. authors: sibel adali , yannis papakonstantinou , k. selçuk candan , v. s. subrahmanian. venue: sigmod conference. year: 1996
title: chain : operator scheduling for memory minimization in data stream systems. authors: brian babcock , shivnath babu , rajeev motwani , mayur datar. venue: international conference on management of data. year: 2003