@conference {16761, title = {Update propagation strategies for improving the quality of data on the web}, booktitle = {PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON VERY LARGE DATA BASES}, year = {2001}, month = {2001///}, pages = {391 - 400}, author = {Labrinidis,A. and Roussopoulos, Nick and SCIENCE,MARYLAND UNIV COLLEGE PARK DEPT OF COMPUTER} }