Leonardo Guerreiro Azevedo, Geraldo Zimbrão, Jano Moreira de Souza. Approximate Query Processing in Spatial Databases Using Raster Signatures. In Antônio Miguel Vieira Monteiro, Clodoveu A. Davis, editors, VIII Brazilian Symposium on Geoinformatics, 19-22 November, Campos do Jordão, São Paulo, Brazil. pages 53-72, INPE, 2006. [doi]
Abstract is missing.