Towards a Geographic Information System Web Community. - Omar Boucelma; Mehdi Essid (DIWeb, 2002)

Exploiting and Completing Web Data Sources Capabilities. - Omar Boucelma; Mehdi Essid; Zoé Lacroix; Abdelkader Bétari (EEXTT, 2002)

A WFS-based mediation system for GIS interoperability. - Omar Boucelma; Mehdi Essid; Zoé Lacroix (ACM-GIS, 2002)

Intégration des Systèmes d'Information Géo-graphique. - Mehdi Essid; Abdelkader Bétari; Omar Boucelma; Zoé Lacroix (INFORSID, 2003)

The biological integration system. - Zoé Lacroix; Omar Boucelma; Mehdi Essid (WIDM, 2003)

The VirGIS Geographic Integration System. - Omar Boucelma; François-Marie Colonna; Mehdi Essid (BDA, 2004)

Mediated Geographic Web Feature Services. - Mehdi Essid; Omar Boucelma (GEOINFO, 2004)

Query processing in a geographic mediation system. - Mehdi Essid; Omar Boucelma; François-Marie Colonna; Yassine Lassoued (GIS, 2004)

VirGIS: Mediation for Geographical Information Systems. - Omar Boucelma; Mehdi Essid; Zoé Lacroix; Julien Vinel; Jean-Yves Garinet; Abdelkader Bétari (ICDE, 2004)

Answering Queries in the Presence of XML Keys. - Mehdi Essid; Omar Boucelma; Stéphane Bressan (DEXA Workshops, 2006)

Querying Mediated Geographic Data Sources. - Mehdi Essid; François-Marie Colonna; Omar Boucelma; Abdelkader Bétari (EDBT, 2006)

A Quality-enabled Spatial Integration System. - Omar Boucelma; Mehdi Essid; Yassine Lassoued (Spatial Data on the Web, 2007)

Processing Mediated Geographic Queries: a Space Partitioning Approach. - Mehdi Essid; Yassine Lassoued; Omar Boucelma (AGILE Conf., 2007)

Quality-Driven Mediation for Geographic Data. - Yassine Lassoued; Mehdi Essid; Omar Boucelma; Mohamed Quafafou (QDB, 2007)

A metadata-driven geographic data mediator. - Yacine Lassoued; Mehdi Essid; Omar Boucelma (Ingénierie des Systèmes d Inf., 2007)