Xianwen Fang received an M.A. degree from Shandong University of Science and Technology, China in 2004 and a Ph.D. degree from the Key Laboratory of Service Computing, Tongji University, China in 2011. He is currently a Professor with the Department of Computer Science and Engineering, School of Mathematics and Big Data, Anhui University of Science and Technology, China. His research interests include Petri nets, trustworthy software, and web services.