To divide and conquer search ranking by learning query difficulty

Zeyuan Allen Zhu, Weizhu Chen, Tao Wan, Chenguang Zhu, Gang Wang, Zheng Chen. To divide and conquer search ranking by learning query difficulty. In David Wai-Lok Cheung, Il-Yeol Song, Wesley W. Chu, Xiaohua Hu, Jimmy J. Lin, editors, Proceedings of the 18th ACM Conference on Information and Knowledge Management, CIKM 2009, Hong Kong, China, November 2-6, 2009. pages 1883-1886, ACM, 2009. [doi]

@inproceedings{ZhuCWZWC09,
  title = {To divide and conquer search ranking by learning query difficulty},
  author = {Zeyuan Allen Zhu and Weizhu Chen and Tao Wan and Chenguang Zhu and Gang Wang and Zheng Chen},
  year = {2009},
  doi = {10.1145/1645953.1646255},
  url = {http://doi.acm.org/10.1145/1645953.1646255},
  tags = {search},
  researchr = {https://researchr.org/publication/ZhuCWZWC09},
  cites = {0},
  citedby = {0},
  pages = {1883-1886},
  booktitle = {Proceedings of the 18th ACM Conference on Information and Knowledge Management, CIKM 2009, Hong Kong, China, November 2-6, 2009},
  editor = {David Wai-Lok Cheung and Il-Yeol Song and Wesley W. Chu and Xiaohua Hu and Jimmy J. Lin},
  publisher = {ACM},
  isbn = {978-1-60558-512-3},
}