Sébastien Nedjar Alain Casali Rosine Cicchetti Lotfi Lakhal Upper Borders for Emerging Cubes. 45-54 2008 DaWaK http://dx.doi.org/10.1007/978-3-540-85836-2_5 conf/dawak/2008 db/conf/dawak/dawak2008.html#NedjarCCL08