@inproceedings{Kazakov:08:SROIQ,
  title = "{SRIQ} and {SROIQ} are Harder than {SHOIQ}",
  author = "Yevgeny Kazakov",
  year = "2008",
  booktitle = "DL 2008",
  editor = "Franz Baader and Carsten Lutz and Boris Motik",
  note = "to",
  publisher = "CEUR-WS.org",
  series = "CEUR Workshop Proceedings",
  url = "http://ceur-ws.org/Vol-353/Kazakov.pdf",
  volume = "353",
}