Joel da Silva Ausberto S. Castro Vera Anjolina Grisi de Oliveira Robson do Nascimento Fidalgo Ana Carolina Salgado Valéria Cesário Times Querying Geographical Data Warehouses With GeoMDQL. 223-237 2007 conf/sbbd/2007 SBBD http://www.lbd.dcc.ufmg.br:8080/colecoes/sbbd/2007/SBBD15.pdf db/conf/sbbd/sbbd2007.html#SilvaVOFST07