THUIR at TREC 2003: HARD Experiments.

@inproceedings{ma-2003-thuir, author = {Liang Ma and Wei Tan and Qunxiu Chen and Shaoping Ma and Shuicai Shi and Shibin Xiao and Hongwei Wang and Hongjun Wang}, editor = {Ellen M. Voorhees and Lori P. Buckland}, title = {{THUIR at TREC 2003: HARD Experiments}}, booktitle = {{Proceedings of The Twelfth Text REtrieval Conference, TREC 2003, Gaithersburg, Maryland, USA, November 18-21, 2003}}, series = {NIST Special Publication}, volume = {500-255}, pages = {552--555}, publisher = {National Institute of Standards and Technology (NIST)}, year = {2003}, url = {http://trec.nist.gov/pubs/trec12/papers/tsinghuau.hard.pdf} }