Pickens, Jeremy ; Golovchinsky, Gene ; Shah, Chirag ; Qvarfordt, Pernilla ; Back, Maribeth: Algorithmic mediation for collaborative exploratory search. In: Proceedings of the 31st annual international ACM SIGIR conference on Research and development in information retrieval. New York, NY, USA : ACM, 2008. - ISBN 978-1-60558-164-4, S. 315--322