Knowledge Processing and Information Systems
A semantic framework for preference handling in answer set programming

@article{DBLP:journals/corr/cs-AI-0301023,
  title = {A semantic framework for preference handling in answer set programming},
  author = {Schaub, Torsten and Wang, Kewen},
  journal = {CoRR},
  volume = {cs.AI/0301023},
  year = {2003}
}