Before that, he is an associate research professor in Institute of Computing Technology, Chinese Academy of Sciences (ICT, CAS) and got his Ph.D. there in 2005. His research interests include Stream Computing over Big Sensor Data, Service-Oriented Computing, Web Information Integration and Business Process Management. He has acted as the principal investigator (PI) of many research projects, such as National Natural Science Foundation of China, National R&D Infrastructure and Facility Development Program of China, etc. He has published over 30 papers and has been authorized 4 patents. He is the co-chair of SDPI'13 workshop and the PC member for many conferences/workshops. He is also reviewer of several international journals and Chinese journals.