1. Baeza-Yates, R., & Navarro, G. (1999). Modern information retrieval. New York: Addison-Wesley.
2. Brin, S., & Page, L. (1998). The anatomy of a large-scale hypertextual Web search engine. Computer Networks and ISDN Systems, 30(1–7), 107–117.
3. Burges, C., Shaked, T., Renshaw, E., Lazier, A., Deeds, M., Hamilton, N., et al. (2005). Learning to rank using gradient descent. In ICML’05: Proceedings of the 22nd International Conference on Machine Learning (pp. 89–96).
4. Burges, C. J. C. (1998). A tutorial on support vector machines for pattern recognition. Data Mining and Knowledge Discovery, 2(2), 121–167.
5. Clarke, C., Craswell, N., & Soboroff, I. (2004). Overview of the TREC 2004 Terabyte Track. In Online Proceedings of the 2004 Text Retrieval Conference.