title: the ores temporal database management system. authors: babis theodoulidis , george karvelis , jayant chaudhary , aziz ait-braham , simon sou , george andrianopoulos. venue: sigmod conference. year: 1994
title: is web-site management a database problem ?. authors: daniela florescu , alon y. levy , dan suciu. venue: very large data bases. year: 1998