作者机构:[1]College of Computer Science and Technology, Jilin University, Changchun 130012, China, [2]Key Laboratory of Symbol Computation and Knowledge Engineering, Ministry of Education, Jilin University, Changchun 130012, China
相关基金:supported by the National Natural Science Foundation of China (60973089 60873148); the Jilin Province Science and Technology Development Plan (20101501 20100185); the Erasmus Mundus External Cooperation Window’s Project (EMECW): Bridging the Gap (155776-EM-1-2009-1-IT-ERAMUNDUS-ECW-L12); the Foundation of Key Laboratory of SCKE of Ministry of Education (450060326019)