Acknowledgment We gratefully acknowledge the invaluable assistance of BBN in the data preprocessing and LDC in the Treebank release. Special thanks goes to: USA: Ann Bies, Chung-hye Han, Sylvia Lin, Aravind Joshi, Anoop Sarkar, Ann Taylor, Yen-Lin Yin: University of Pennsylvania Peter Cole: University of Delaware Andi Wu, Zixin Jiang: Microsoft Laurie Gerber, Jin Yang: Systran Ralph Weischedel: BBN Amy Weinberg, Philip Resnik: University of Maryland Shengli Feng: University of Kansas James Huang: University of California at Irvine Mark Lewellen, Erik Peterson: China: Joe Zhou: Intel China Research Center Changning Huang: Microsoft Research China Shiwen Yu, Hui Wang: Peking University Maosong Sun, Qiang Zhou: Tsinghua Univerity Guowen Yang: Chinese Academy of Social Sciences Hong Kong: Dekai Wu, Gan Kok Wee: Hong Kong Science and Technology University Benjamin K Tsou: City Univeristy of Hong Kong Taiwan: Keh-Jian Chen, Chu-ren Huang, Fengyi Chen, Lili Chang: Academia Sinica, Taiwan Keh-Yih Su: Behavior Design Corporation Finally, we want to thank all of the participants at our meetings and workshops.