title: aqr-toolkit : an adaptive query routing middleware for distributed data intensive systems. authors: l liu , c pu , d buttler , w han , h paques , w tang. venue: sigmod conference. year: 2000
title: dbis-toolkit : adaptive middleware for large scale data delivery. authors: m altinelâ ? ¦. venue: & hellip ; of the 1999 international conference on management of data. year: nan