@inproceedings{li-etal-2010-pku, title = "{PKU}{\_}{HIT}: An Event Detection System Based on Instances Expansion and Rich Syntactic Features", author = "Li, Shiqi and Liu, Pengyuan and Zhao, Tiejun and Lu, Qin and Li, Hanjing", editor = "Erk, Katrin and Strapparava, Carlo", booktitle = "Proceedings of the 5th International Workshop on Semantic Evaluation", month = jul, year = "2010", address = "Uppsala, Sweden", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/S10-1067/", pages = "304--307" }