@incollection{Ambrosini-et-al-97,
  author	= {Ambrosini, Leonardo and Cirillo, Vincenzo and Micarelli, Allessandro},
  editor	= {Jameson, A. and Paris, C. and Tasso, C.},
  title		= {A Hybrid Architecture for User-Adapted Information Filtering on the World Wide Web},
  booktitle	= {Proceedings of the Sixth International Conference on User Modeling (UM97)},
  pages		= {59--61},
  year		= {1997},
  address	= {Berlin},
  month		= jun,
  publisher	= {Springer},
  note		= {(Chia Laguna, Sardinia, Italy)}
}