The fragmentation of data warehouses: An approach based on principal components analysis. - Rachid Elmansouri; Elhoussaine Ziyati; Omar Elbeqqali; Driss Aboutajdine (ICMCS, 2012)

Normed principal components analysis: A new approach to data warehouse fragmentation. - Rachid Elmansouri; Omar Elbeqqali; Elhoussaine Ziyati (AICCSA, 2013)