@incollection{Smith98-fois,
  author	= {Smith, Barry},
  editor	= {Guarino, N.},
  year		= {1998},
  title		= {Basic concepts of formal Ontology},
  booktitle	= {Formal Ontology in Information Systems},
  pages		= {19--28},
  publisher	= {IOS Press},
  address	= {Amsterdam}
}