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: an adaptive query execution system for data integration international conference on management of data 1999. authors: zachary g. ives , daniela florescu , marc friedman , alon levy , daniel s. weld. venue: nan. year: nan