Learning to rank collections.

@inproceedings{xu-2007-learning, author = {Jingfang Xu and Xing Li}, editor = {Wessel Kraaij and Arjen P. de Vries and Charles L. A. Clarke and Norbert Fuhr and Noriko Kando}, title = {{Learning to rank collections}}, booktitle = {{SIGIR 2007: Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Amsterdam, The Netherlands, July 23-27, 2007}}, pages = {765--766}, publisher = {ACM}, year = {2007}, url = {https://doi.org/10.1145/1277741.1277898}, doi = {https://doi.org/10.1145/1277741.1277898} }