Pericles de Oliveira Altigran S. da Silva Edleno Silva de Moura Gilberto Santos Lathe: light-Weight Keyword Query Processing over Multiple Databases. 1-4 2018 SBBD Companion http://sbbd.org.br/2018/wp-content/uploads/sites/5/2018/08/001-sbbd_2018_comp.pdf conf/sbbd/2018c db/conf/sbbd/sbbd2018c.html#OliveiraSMS18