Y. Lin, J. Ahn, P. Brusilovsky, D. He, and W. Real. Proceedings of the 73rd ASIS&T Annual Meeting on Navigating Streams in an Information Ecosystem - Volume 47, Silver Springs, MD, USA, American Society for Information Science, (2010)
M. Kellar, C. Watters, and K. Inkpen. CHI '07: Proceedings of the SIGCHI conference on Human factors in computing systems, page 377--386. New York, NY, USA, ACM, (2007)
D. Chau, B. Myers, and A. Faulring. CHI '08: Proceeding of the twenty-sixth annual SIGCHI conference on Human factors in computing systems, page 999--1008. New York, NY, USA, ACM, (2008)