1. & (Eds.). (1999). Modern information retrieval. Essex, UK: Addison-Wesley.
2. , , & (1995). On the learnability of Zn-DNF formulas. In & (Eds.), Proceedings of the 18th Annual Conference on Computational Learning Theory, Lecture Notes in Computer Science 3559 (pp. 198–205). Berlin: Springer.
3. (2001). Multiplicative adaptive algorithms for user preference retrieval. In (Ed.), Proceedings of the Seventh Annual International Computing and Combinatorics Conference, Lecture Notes in Computer Science 2108 (pp. 540–549). Berlin: Springer.
4. (2004). Multiplicative adaptive user preference retrieval and its applications to web search. In , , & (Eds.), Computational web intelligence: Intelligent technology for web applications (pp. 303–328). Singapore: World Scientific.
5. & (2005). A quadratic lower bound for Rocchio's similarity-based relevance feedback algorithm. In (Ed.), Proceedings of the Eleventh Annual International Computing and Combinatorics Conference, Lecture Notes in Computer Science 3595 (pp. 955–964). Berlin: Springer.