@inproceedings{DBLP:conf/ecsqaru/Schaub01,
  author = {Schaub, Torsten},
  title = {What's Your Preference? And How to Express and Implement It in Logic Programming!},
  booktitle = {{ECSQARU}},
  series = {Lecture Notes in Computer Science},
  volume = {2143},
  pages = {17},
  publisher = {Springer},
  year = {2001}
}