J. Zhou, C. Ding, und D. Androutsos. CASCON '06: Proceedings of the 2006 conference of the Center for Advanced Studies on Collaborative research, New York, NY, USA, ACM, (2006)
E. Agichtein, E. Brill, und S. Dumais. Proceedings of the 29th annual international ACM SIGIR conference on Research and development in information retrieval, Seite 19--26. New York, NY, USA, ACM, (2006)
E. Agichtein, und Z. Zheng. Proceedings of the 12th ACM SIGKDD international conference on Knowledge discovery and data mining, Seite 902--908. New York, NY, USA, ACM, (2006)