title: cq : a personalized update monitoring toolkit. authors: l liu , c pu , w tang , d buttler , j biggs , t zhou , p benninghoff , w han , f yu. venue: sigmod conference. year: 1998
title: a personalized update monitoring. authors: l liu , c pu , w tang , d buttler , j biggs , p. venue: proceedings of the acm sigmod ,. year: nan