@article{RuGl10a,
  title = "Nominals, Inverses, Counting, and Conjunctive Queries",
  author = "Sebastian Rudolph and Birte Glimm",
  year = "2010",
  journal = "Journal of Artificial Intelligence Research",
  note = "To Appear",
  pages = "429-481",
  volume = "39",
}