1. Ahn, J. -w., Brusilovsky, P., Grady, J., He, D., Syn, S. Y. (2007). Open user profiles for adaptive news systems: help or harm? In Paper presented at the 16th international conference on World Wide Web, WWW ’07. Banff, Canada.
2. Ahn, J. -w., Brusilovsky, P., He, D., Grady, J., & Li, Q. (2008). Personalized web exploration with task models. In Paper presented at the the 17th international conference on World Wide Web, WWW ’08. Beijing, China.
3. Allan, J. (2003). HARD track overview in TREC 2003 high accuracy retrieval from documents. In Paper presented at the twelfth text retrieval conference.
4. Bier, E. A., Card, S. K., & Bodnar, J. W. (2008). Entity-based collaboration tools for intelligence analysis. In Paper presented at the IEEE symposium on visual analytics science and technology, VAST 2008. Columbus, Ohio.
5. The IIR evaluation model: a framework for evaluation of interactive information retrieval systems;Borlund;Information Research,2003