@article{FHHMP01,
  title = "{OIL}: {A}n Ontology Infrastructure for the Semantic Web",
  author = "D. Fensel and F. van Harmelen and I. Horrocks and D. McGuinness and P. F. Patel-Schneider",
  year = "2001",
  journal = "{IEEE} Intelligent Systems",
  number = "2",
  pages = "38--45",
  url = "download/2001/IEEE-IS01.pdf",
  volume = "16",
}