S. Ahern, D. Eckles, N. Good, S. King, M. Naaman, and R. Nair. CHI '07: Proceedings of the SIGCHI conference on Human factors in computing systems, page 357--366. New York, NY, USA, ACM, (2007)
C. Manasseh, K. Ahern, and R. Sengupta. Proceedings of the Second International Workshop on Location and the Web (LocWeb 2009), page 28-31. Boston, Massachusetts, (April 2009)
S. Ahern, M. Naaman, R. Nair, and J. Yang. JCDL '07: Proceedings of the 7th ACM/IEEE-CS joint conference on Digital libraries, page 1-10. New York, NY, USA, ACM, (2007)