@Inproceedings{ecai/LacknerP12-closedworld,
  author    = {Martin Lackner and Andreas Pfandler},
  title     = {Fixed-Parameter Algorithms for Closed World Reasoning},
  booktitle = {Proceedings of the 20th European Conference on Artificial Intelligence (ECAI 2012)},
  year      = {2012},
  editor    = {Luc De Raedt and Christian Bessi{\`e}re and Didier Dubois and Patrick Doherty and Paolo Frasconi and Fredrik Heintz and Peter J. F. Lucas},
  pages     = {492--497},
  publisher = {IOS Press},
}