title: change detection in hierarchically structured information sigmod conference 1996. authors: s chawathe , a rajaraman , h garcia-molina , j widom. venue: nan. year: nan
title: h. garcia-m olina , and j. widom . change detection in hierarchically structured information technical report , dept. of computer science , stanford university. authors: s chawathe , a rajaraman. venue: nan. year: nan