Ramification in the Normative Method of Causality. - Mahat Khelfallah; Aïcha Mokhtari (ECSQARU, 2001)

Two Revision Methods Based on Constraints: Application to a Flooding Problem. - Mahat Khelfallah; Belaid Benhamou (AISC, 2004)

Geographic Information Revision Based on Constraints. - Mahat Khelfallah; Belaid Benhamou (ECAI, 2004)

Belief Revision of GIS Systems: The Results of REV!GIS. - Salem Benferhat; Jonathan Ben-Naim; Robert Jeansoulin; Mahat Khelfallah; Sylvain Lagrue; Odile Papini; Nic Wilson; Éric Würbel (ECSQARU, 2005)

A Local Fusion Method of Temporal Information. - Mahat Khelfallah; Belaid Benhamou (ECSQARU, 2005)

A Local Method for Prioritized Fusion of Temporal Information. - Mahat Khelfallah; Belaid Benhamou (TIME, 2005)

Local Search-based Method for Restoring Disjunctive Temporal Problem Consistency. - Mahat Khelfallah; Belaid Benhamou (IICAI, 2007)