@INPROCEEDINGS{Amati&97:IJCAI,
  AUTHOR =       { Amati, Gianni and  Crestani, Fabio and  Ubaldini, Flavio},
  TITLE =        {A Learning System for Selective Dissemination of Information},
  PAGES =        {764--769},
  ISBN =         {1-55860-480-4	},
  BOOKTITLE =    {Proceedings of the 15th International Joint Conference
                 on Artificial Intelligence ({IJCAI}-97)},
  MONTH =        aug # 	{23--29~},
  PUBLISHER =    {Morgan Kaufmann Publishers},
  ADDRESS =      {San Francisco},
  YEAR =         {1997},
}