%0 Journal Article %1 Laenderetal02 %A Laender, A.H.F. %A Ribeiro-Neto, B.A. %A da Silva, A.S. %A Teixeira, J.S. %D 2002 %J SIGMOD Record %K extraction tools infromation survey ie data %N 2 %P 84--93 %T A Brief Survey of Web Data Extraction Tools %V 31