@incollection{Buitelaar98-fois,
  author	= {Buitelaar, P.},
  editor	= {Guarino, N.},
  year		= {1998},
  title		= {\sc CoreLex: an ontology of systematic polysemous classes},
  booktitle	= {Formal Ontology in Information Systems},
  pages		= {221--235},
  publisher	= {IOS Press},
  address	= {Amsterdam}
}