1. Context learning in Okapi;Goker;Journal of Documentation,1997
2. He, D., & Goker, A. (2000). Detecting session boundaries from Web user logs. In Proceedings of the BCS-IRSG 22nd annual colloquium on information retrieval research, Cambridge, UK (pp. 57–66)
3. Combining evidence for automatic Web session identification;He;Information Processing and Management,2002
4. Cognitive perspectives of information retrieval interaction: elements of a cognitive IR theory;Ingwersen;Journal of Documentation,1996
5. Miwa, M. (2001). User situations and multiple levels of users goals in information problem solving processes of Ask ERIC users. In Proceedings of the 2001 Annual Meeting of the American Society for Information Sciences and Technology, 38, 355–371