@conference {Nie_94:A,
	title = {A flexible architecture for collaborative information retrieval},
	booktitle = {Recherche d{\textquoteright}information assist{\'e}e par ordinateur (RIAO), New York},
	year = {1994},
	month = {oct},
	pages = {600-611},
	author = {Jian-Yun Nie and Jean Vaucher and Nicolas Anquetil}
}
