Zhang, Dell and Mao, R. and Li, H. and Mao, J. (2011) How to count thumb-ups and thumb-downs: user-rating based ranking of items from an axiomatic perspective. In: Amati, G. and Crestani, F. (eds.) Advances in Information Retrieval Theory. Lecture Notes In Computer Science 6931. Berlin, Germany: Springer, pp. 238-249. ISBN 9783642233173.

Zhang, Dell and Wang, J. and Cai, D. and Lu, J. (2010) Self-taught hashing for fast similarity search. In: Crestani, F. and Marchand-Maillet, S. and Chen, H.-H. and Efthimiadis, E.N. and Savoy, J. (eds.) Proceeding of the 33rd international ACM SIGIR conference on Research and development in information retrieval - SIGIR '10. New York, U.S.: ACM Press, pp. 18-25. ISBN 9781450301534.

Hurtado, C.A. and Levene, Mark (2006) Discovering context-topic rules in search engine logs. In: Crestani, F. and Ferragina, P. and Sanderson, M. (eds.) International Symposium on String Processing and Information Retrieval. Lecture Notes in Computer Science 4209. Springer, pp. 346-353. ISBN 978-3-540-45774-9.