@article{DBLP:journals/ci/DelgrandeSTW04, title = {A Classification and Survey of Preference Handling Approaches in Nonmonotonic Reasoning}, author = {Delgrande, James P. and Schaub, Torsten and Tompits, Hans and Wang, Kewen}, journal = {Computational Intelligence}, number = {2}, pages = {308--334}, volume = {20}, year = {2004} }