@inproceedings{HPPH05,
  title = "Semantic Web Architecture: Stack or Two Towers?",
  author = "Ian Horrocks and Bijan Parsia and Peter Patel-Schneider and James Hendler",
  year = "2005",
  booktitle = "Principles and Practice of Semantic Web Reasoning (PPSWR 2005)",
  editor = "Francois Fages and Sylvain Soliman",
  pages = "37--41",
  publisher = "Springer",
  series = "LNCS",
  url = "download/2005/HPPH05.pdf",
  volume = "3703",
}