D. Downey, S. Dumais, D. Liebling, and E. Horvitz. Proceeding of the 17th ACM conference on Information and knowledge management, page 449--458. New York, NY, USA, ACM, (2008)
S. Dumais, G. Buscher, and E. Cutrell. Proceeding of the third symposium on Information interaction in context, page 185--194. New York, NY, USA, ACM, (2010)
K. Wang, T. Walker, and Z. Zheng. KDD '09: Proceedings of the 15th ACM SIGKDD international conference on Knowledge discovery and data mining, page 1355--1364. New York, NY, USA, ACM, (2009)