@inproceedings{zhang-etal-2015-learning,
    title = "Learning to Mine Query Subtopics from Query Log",
    author = "Zhang, Zhenzhong  and
      Sun, Le  and
      Han, Xianpei",
    editor = "Zong, Chengqing  and
      Strube, Michael",
    booktitle = "Proceedings of the 53rd Annual Meeting of the Association for Computational Linguistics and the 7th International Joint Conference on Natural Language Processing (Volume 2: Short Papers)",
    month = jul,
    year = "2015",
    address = "Beijing, China",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/P15-2056/",
    doi = "10.3115/v1/P15-2056",
    pages = "341--345"
}