Mining Frequent Queries in Star Schemes. - Tao-Yuan Jen; Dominique Laurent 001; Nicolas Spyratos; Oumar Sy (EGC, 2005)

Towards Mining Frequent Queries in Star Schemes. - Tao-Yuan Jen; Dominique Laurent 001; Nicolas Spyratos; Oumar Sy (KDID, 2005)

Extraction de règles d'association pour la prédiction de valeurs manquantes. - Sylvie Irene Jami; Tao-Yuan Jen; Dominique Laurent 001; George Loizou; Oumar Sy (ARIMA J., 2005)

Integrating Ontologies in Database Scheme: Ontology-Based Views Conceptual Modeling. - Oumar Sy; Moussa Lo; Denio Duarte (SITIS, 2010)

Ontologies and Relational Databases Meta-Schema Design: a Three-Level Unified Lifecycle. - Oumar Sy; Denio Duarte; Guilherme Dal Bianco (CoDIT, 2018)