Abdelkader Hameurlain Rosine Cicchetti Roland Traunmüller Database and Expert Systems Applications, 13th International Conference, DEXA 2002, Aix-en-Provence, France, September 2-6, 2002, Proceedings DEXA Lecture Notes in Computer Science 2453 Springer 2002 3-540-44126-3 db/conf/dexa/dexa2002.html