Wenzhe Pei Tao Ge Baobao Chang ∗

Key Laboratory of Computational Linguistics, Ministry of Education,

School of Electronics Engineering and Computer Science, Peking University,

No.5 Yiheyuan Road, Haidian District, Beijing, 100871, China

Collaborative Innovation Center for Language Ability, Xuzhou, 221009, China.

Proceedings of the 53rd Annual Meeting of the Association for Computational Linguistics

and the 7th International Joint Conference on Natural Language Processing, pages 313–322,

Beijing, China, July 26-31, 2015. c 2015 Association for Computational Linguistics