Freyne, Jill ; Farzan, Rosta ; Brusilovsky, Peter ; Smyth, Barry ; Coyle, Maurice: Collecting community wisdom: integrating social search \& social navigation. In: Proceedings of the 12th international conference on Intelligent user interfaces. New York, NY, USA : ACM, 2007. - ISBN 1-59593-481-2, S. 52--61