@incollection{Guarino98-fois,
  author	= {Guarino, N.},
  editor	= {Guarino, N.},
  year		= {1998},
  title		= {Formal ontology and information systems},
  booktitle	= {Formal Ontology in Information Systems},
  pages		= {3--18},
  publisher	= {IOS Press},
  address	= {Amsterdam}
}