title: change detection in hierarchically structured information sigmod conference. authors: jennifer widom , sudarshan s. chawathe , hector garcia-molina , anand rajaraman. venue: nan. year: 1996.0
title: change detection in hierarchically structured information sudarshan s. chawathe , anand rajaraman , hector garcia-molina , jennifer widom 1996. authors: nan. venue: international conference on management of data. year: nan