@article{DBLP:journals/tocl/DelgrandeSTW13, author = {Delgrande, James P. and Schaub, Torsten and Tompits, Hans and Woltran, Stefan}, title = {A Model-Theoretic Approach to Belief Change in Answer Set Programming}, journal = {{ACM} Trans. Comput. Log.}, volume = {14}, number = {2}, pages = {14:1--14:46}, year = {2013} }