title: roadrunner : automatic data extraction from data-intensive web sites giansalvatore mecca , valter crescenzi , paolo merialdo sigmod conference. authors: nan. venue: nan. year: 2002.0
title: roadrunner : automatic data extraction from data-intensive web sites international conference on management of data 2002. authors: valter crescenzi , giansalvatore mecca , paolo merialdo. venue: nan. year: nan