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: change detection in hierarchically structured information . available by anonymous ftp from db s chawathe , a rajaraman , h garcia-molina , j widom 1995.0. authors: nan. venue: nan. year: nan