title: champagne : data change propagation for heterogeneous information systems holger meinecke , uwe heinkel , ralf rantzau , carmen constantinescu. authors: nan. venue: vldb. year: 2002.0
title: quality-driven integration of heterogenous information systems. authors: felix naumann , ulf leser , johann christoph freytag. venue: very large data bases. year: 1999.0