title: niagaracq : a scalable continuous query system for internet databases j chen , d dewitt , f tian , y wang sigmod conference 2000. authors: nan. venue: nan. year: nan
title: niagaracq : a scalable continuous query system for internet databases 2000.0. authors: j chen , dj dewitt , f tian , y wang. venue: sigmod conference ,. year: nan