title: an adaptive query execution system for data integration. authors: daniel s. weld , alon y. levy , marc friedman , zachary g. ives , daniela florescu. venue: sigmod conference. year: 1999.0
title: aqr-toolkit : an adaptive query routing middleware for distributed data intensive systems ling liu , calton pu , david buttler , wei han , henrique paques , wei tang. authors: nan. venue: international conference on management of data. year: 2000.0