@inproceedings{PaHo05b,
  title = "Introducing Customised Datatypes and Datatype Predicates into {OWL}",
  author = "Jeff Z.~Pan and Ian Horrocks",
  year = "2005",
  booktitle = "Proc.\ of the First Int.\ Workshop on OWL Experiences and Directions (OWLED 2005)",
  series = "CEUR (\url{http://ceur-ws.org/})",
  url = "download/2005/PaHo05b.pdf",
  volume = "188",
}