@article{Laenderetal02, author = {Laender, A.H.F. and Ribeiro-Neto, B.A. and da Silva, A.S. and Teixeira, J.S.}, bb-month = {August 2002}, interhash = {92cdfc3f27b81b09375ec9524eff07e0}, intrahash = {eff818caa06f636279e67308aeffe6f6}, journal = {SIGMOD Record}, location = {Helsinki, Finland}, number = 2, pages = {84--93}, title = {A Brief Survey of Web Data Extraction Tools}, volume = 31, year = 2002 }