中文摘要：

yua2006@126.com Xiaohan Yu received the B.E. degree in information processing from the Institute of Communication Engineering, People＇s Libration Army University of Science and Technology, Nanjing, China, in 2007. He is currently working toward the Ph.D. degree at the same university. His research interests include computing with words, aggregation operators, intuitionistc fuzzy sets and group decisoin making. xu_zeshui@263.net Zeshui Xu received management science the Ph.D. degree in and engineering from Southeast University, Nanjing, China, in 2003. From April 2003 to May 2005, he was a Postdoctoral Researcher with the School of Economics and Management, Southeast University. From October 2005 to December 2007, he was a Postdoctoral Researcher with the School of Economics and Management, Tsinghua University, Beijing, China. He is a Professor with the Institute of Sciences, People＇s Liberation Army University of Science and Technology, Nanjing. He is also an Adjunct Professor with the Antai School of Economic and Management, Shanghai Jiaotong University, Shanghai, China. He is a member of the Editorial Boards of Information： An International Journal, the International Journal of Applied Management Science, the International Journal of Data Analysis Techniques and Strategies, and the System Engineering -- Theory and Practice and Fuzzy Systems and Mathematics. He has authored the following books： Uncertain Multiple Attribute Decision Making： Methods and Applications （Tsinghua Univ. Press, 2004）, Intuitionistic Fuzzy Information： Aggregation Theory and Applications （Science, 2008）, and Decision Making with Linguistic Information： Theory and Methods （Science, 2008）. He has contributed more than 200 journal articles to professional journals. His information computing operators. current research interests include fusion, group decision making, with words, and aggregation zxm_post@163.com Xiumei Zhang received the B.E. degree in system engineering from the Institute of Communication Enginee