@inproceedings{zhang-etal-2009-search, title = "Search Engine Adaptation by Feedback Control Adjustment for Time-sensitive Query", author = "Zhang, Ruiqiang and Chang, Yi and Zheng, Zhaohui and Metzler, Donald and Nie, Jian-yun", editor = "Ostendorf, Mari and Collins, Michael and Narayanan, Shri and Oard, Douglas W. and Vanderwende, Lucy", booktitle = "Proceedings of Human Language Technologies: The 2009 Annual Conference of the North {A}merican Chapter of the Association for Computational Linguistics, Companion Volume: Short Papers", month = jun, year = "2009", address = "Boulder, Colorado", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/N09-2042/", pages = "165--168" }