Chu-Cheng Hsieh is currently a researcher working at the Surya project at CENS of UCLA, and he is also a graduate student researcher (enrolling in PhD program) in Computer Science department of University of California, Los Angeles (UCLA) from 2007, supervised by Professor John Cho. Before joining UCLA, he was enrolled in PhD program in Computer Science department of National Chia Tung University, Taiwan, between 2005~2007. Also, he got a M.S degree and a B.A. degree in Electronic Engineering department from National Taiwan University of Science and Technology in 2005 and 2001 respectively. With respect to his working experience, before entering UCLA, he was an researcher in Telecommunication Laboratories of Chunghwa Telecom Co., Ltd, Taiwan, and served as a lecturer in mutilple universities in Taiwan. His current research interests include data mining, information retrieval, security, and social networks.