中文摘要：

SU Jinsong, received the Ph.D degree in computer application technology from the Institute of Computing Technology, Chinese Academy of Sciences, Beijing, China, in 2011. He is now an assistant professor in the Software School of Xiamen University. His research interests include statistical machine translation and metaphor computing. LIU Yang, received the Ph.D degree in computer application technology from the Institute of Computing Technology, Chinese Academy of Sciences, Beijing, China, in 2007. He is now an associate professor in Department of Computer Science, Tsinghua University. His research interests include statistical machine translation and social computing. LIU Qun. professor with the Institute of Computing Technology, Chinese Academy of Sciences, Beijing, China. His current research interests include computational linguistics, statistical and corpus-based natural language processing, including statistical machine translation, segmentation and parsing. DONG Huailin, received the B.S degree in math-ematics from Xiamen University, Xiamen, China, in 1980. He is now a professor in the Software School of Xiamen University. His research interests include data mining and software engfneering.