@incollection{PaHo02b,
  title = "Metamodeling Architecture of Web Ontology Languages",
  author = "Jeff Pan and Ian Horrocks",
  year = "2002",
  address = "Amsterdam (NL)",
  booktitle = "The emerging semantic web",
  editor = "Cruz, Isabel and Decker, Stefan and Euzenat, J\'{e}r\^{o}me and McGuinness, Deborah",
  isbn = "1-58603-255-0",
  publisher = "IOS press",
  series = "Frontiers in artificial intelligence and applications",
  url = "download/2002/PaHo02b.pdf",
}