About the Processing of Division Queries Addressed to Possibilistic Databases. - Patrick Bosc; Nadia Iben Hssaien; Olivier Pivert (MUD, 2007)

On the Evaluation of Cardinality-Based Generalized Yes/No Queries. - Patrick Bosc; Nadia Iben Hssaien; Olivier Pivert (Intelligent Techniques and Tools for Novel System Architectures, 2008)