[ "", "Zhao-hui Wu, E-mail: wzh@zju.edu.cn, Guest Editor-in-Chief for this special issue, Associate Editor-in-Chief of JZUS-C, is a professor of the School of Computer Science and Technology, Zhejiang University, China. In the 1990s, Professor Wu invented the first KB-system tool, ZIPE, and the first coupling knowledge representing model, Couplingua, which embodies Rule, Frame, Semantic Network, and Nerve Cell Network. In the 2000s, he led the development of a Semantic Grid platform called DartGrid. He also took a lead in developing TCM-Grid, the world-largest data sharing infrastructure for traditional Chinese medicine. His current research focus includes big-data computing, Semantic Web, cloud computing, and their applications in healthcare and traditional Chinese medicine" ]