Projection Pushing Revisited. - Benjamin J. McMahan; Guoqiang Pan; Patrick Porter; Moshe Y. Vardi (EDBT, 2004)

Heuristic Methods for Hypertree Decomposition. - Artan Dermaku; Tobias Ganzow; Georg Gottlob; Benjamin J. McMahan; Nysret Musliu; Marko Samer (MICAI, 2008)