1. Technology Innovation Platform Center, Institute of Scientific &Technical Information of Gansu; Key Laboratory of Scientific& Technical, China and IDM lab, School of Information Science and Engineering, Lanzhou University, China
2. IDM lab, School of Information Science and Engineering, Lanzhou University, China
3. Si-Mian Institute for Advanced Studies in Humanities, Si-Mian Institute for Advanced Studies in Humanities, East China Normal University, China
4. Technology Innovation Platform Center, Institute of Scientific &Technical Information of Gansu; Key Laboratory of Scientific& Technical, China