Peng QU, Chang L, Maosheng LAI, others. Chinese college students' Web querying behaviors: A case study of Peking University. 2011.

Liu J, Liu C, Yuan X, Belkin NJ. Understanding searchers' perception of task difficulty: Relationships with task type. Proceedings of the American Society for Information Science and Technology. 2011;48:1–10.

Liu C, Belkin NJ. Implicit acquisition of context for personalization of information retrieval systems, in Proceedings of the 2011 Workshop on Context-awareness in Retrieval and Recommendation.; 2011:10–13.

Liu C, Cole M, Belkin N, Gwizdka J, Zhang X. Exploring the Effect of Task Difficulty and Domain Knowledge on Dwell times, in ; 2011.

Cole MJ, Gwizdka J, Belkin NJ, Liu C. User Domain Knowledge and Eye Movement Patterns During Search, in ; 2011.

Liu C, Belkin N, Cole M, Gwizdka J. Personalization of Information Retrieval in Different Types of Tasks, in ; 2011.

Liu C, Liu J, Belkin N, Cole M, Gwizdka J. Using Dwell Time as an Implicit Measure of Usefulness in Different Task Types, in ASIST.; 2011.

Cole MJ, Gwizdka J, Liu C, Bierig R, Belkin NJ, Zhang X. Task and user effects on reading patterns in information search. Interacting with Computers. 2011;23:346–362.

Cole MJ, Zhang X, Liu C, Belkin NJ, Gwizdka J. Knowledge effects on document selection in search results pages, in Proceedings of the 34th international ACM SIGIR conference on research and development in information retrieval.; 2011:1219–1220.