title: roadrunner : automatic data extraction from data-intensive web sites v crescenzi , g mecca , p merialdo 2002. authors: nan. venue: sigmod conference. year: nan
title: roadrunner : towards automatic data extraction from large web sites g mecca , v crescenzi , p merialdo proceedings of the 27th very large databases conference , & hellip ; ,. authors: nan. venue: nan. year: nan