Accurate language model estimation with document expansion.

@inproceedings{tao-2005-accurate, author = {Tao Tao and Xuanhui Wang and Qiaozhu Mei and ChengXiang Zhai}, editor = {Otthein Herzog and Hans-J\"{o}rg Schek and Norbert Fuhr and Abdur Chowdhury and Wilfried Teiken}, title = {{Accurate language model estimation with document expansion}}, booktitle = {{Proceedings of the 2005 ACM CIKM International Conference on Information and Knowledge Management, Bremen, Germany, October 31 - November 5, 2005}}, pages = {273--274}, publisher = {ACM}, year = {2005}, url = {https://doi.org/10.1145/1099554.1099623}, doi = {https://doi.org/10.1145/1099554.1099623} }