Davi de Castro Reis Robson Braga Araújo Altigran Soares da Silva Berthier A. Ribeiro-Neto A Framework for Generating Attribute Extractors for Web Data Sources. 210-226 http://dx.doi.org/10.1007/3-540-45735-6_19 2002 conf/spire/2002 SPIRE db/conf/spire/spire2002.html#ReisASR02