title: roadrunner : automatic data extraction from data-intensive web sites. authors: giansalvatore mecca , valter crescenzi , paolo merialdo. venue: sigmod conference. year: 2002
title: roadrunner : automatic data extraction from data-intensive web sites. authors: valter crescenzi , giansalvatore mecca , paolo merialdo. venue: international conference on management of data. year: 2002