@InProceedings{BaaderEtAl-OWLED08DC,
  title =  {Pushing the EL Envelope Further},
  author = {Franz Baader and Sebastian Brandt and Carsten Lutz},
  booktitle =  {In Proceedings of the OWLED 2008 DC Workshop on OWL: Experiences and Directions},
  year =  {2008},
  editor = {Kendall Clark and Peter F. Patel-Schneider},
}