@inproceedings{pumh2008rewritinga,
  title = "{Rewriting Conjunctive Queries under Description Logic Constraints}",
  author = "H{\'e}ctor P{\'e}rez-Urbina and Boris Motik and Ian Horrocks",
  year = "2008",
  address = "Rome, Italy",
  booktitle = "Proc. of the Int.\ Workshop on Logics in Databases (LID 2008)",
  month = "May",
}