作者机构:[1]State Key Lab of Software Development Environment, Beihang University, Beijing 100083, [2]Branch bureau 27th, Mailbox 15th, 2#, Lanzhou 732750, China
相关基金:Acknowledgments: This work has been supported by the National Grand Fundamental Research 973 Program of China under Grant No.2007CB310800 and the National Natural Science Foundation of China under Grant No. 60496323.
Corresponding author: LI He-song, Ph.D. candidate; research field: data mining.
ZHANG Guang-wei, Ph.D.; research field: data mining,
LI De-yi, Ph.D.; research field: artificial intelligence.
LI Xiang-mei, bachelor; research field: data mining.