Document Re-ranking Based on Automatically Acquired Key Terms in Chinese Information Retrieval Lingpeng Yang author Donghong Ji author Li Tang author 2004-aug 23–aug 27 text COLING 2004: Proceedings of the 20th International Conference on Computational Linguistics COLING Geneva, Switzerland conference publication yang-etal-2004-document https://aclanthology.org/C04-1069/ 2004-aug 23–aug 27 480 486