title: the mlpq/gis constraint database system. authors: yuguo liu , yiming li , pradip kanjamala , rui chen , yonghui wang , peter z. revesz. venue: sigmod conference. year: 2000
title: the ores temporal database management system. authors: babis theodoulidis , aziz ait-braham , george andrianopoulos , jayant chaudhary , george karvelis , simon sou. venue: international conference on management of data. year: 1994