Temporal query substitution for ad search.

@inproceedings{zhang-2009-temporal, author = {Wen Zhang and Jun Yan and Shuicheng Yan and Ning Liu and Zheng Chen}, editor = {James Allan and ChengXiang Zhai and Javed A. Aslam and Mark Sanderson and ChengXiang Zhai and Javed A. Aslam and Justin Zobel}, title = {{Temporal query substitution for ad search}}, booktitle = {{Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2009, Boston, MA, USA, July 19-23, 2009}}, pages = {798--799}, publisher = {ACM}, year = {2009}, url = {https://doi.org/10.1145/1571941.1572134}, doi = {https://doi.org/10.1145/1571941.1572134} }