ChengXiang Zhai, John D. Lafferty
Two-stage language models for information retrieval
SIGIR, 2002.
@inproceedings{SIGIR-2002-ZhaiL, author = "ChengXiang Zhai and John D. Lafferty", booktitle = "{Proceedings of the 25th International ACM SIGIR Conference on Research and Development in Information Retrieval}", doi = "10.1145/564376.564387", pages = "49--56", publisher = "{ACM}", title = "{Two-stage language models for information retrieval}", year = 2002, }