@inproceedings{DBLP:conf/lpnmr/DelgrandeST07,
  author = {Delgrande, James P. and Schaub, Torsten and Tompits, Hans},
  title = {A Preference-Based Framework for Updating Logic Programs},
  booktitle = {{LPNMR}},
  series = {Lecture Notes in Computer Science},
  volume = {4483},
  pages = {71--83},
  publisher = {Springer},
  year = {2007}
}