作者机构:[1]Department of Computer Science, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China, [2]Department of Computer Science, Tsinghua University, Beijing 100084, China, [3]Department of Computer Science, Huazhong University of Science and Technology, Wuhan 430074, China
相关基金:Chen Songcan and Wang Bo are supported by the National Natural Science Foundation of China (No. 60773061) and the National Natural Science Foundation of Jiangsu Province of China (No. BK2008381). Zhang Ning is supported by the National High-Tech Research and Development (863) Program of China (No. 2009AA01Z138). Li Yuhua and Lin Quan are supported by the National Natural Science Foundation of China (No. 70771043)