Tao Jiang is a PhD candidate at School of Computer Science and Technology, Northwestern Polytechnical University, China. He is a student member of China Computer Federation, Association for Computing Machinery, and IEEE Computer Society. His current research interests include biological data mining, big data analysis,and data management. E-mail: lizhh@nwpu.edu.cn.Zhanhuai Li is a professor at School of Computer Science and Technology, Northwestern Polytechnical University (NWPU), China. He is vice chairman of Database Technical Committee, China Computer Federation. He received his MS and PhD degrees from NWPU. His research interests include data management and data mining. Xuequn Shang is a professor and vice dean at School of Computer Science and Technology, Northwestern Polytechnical University, China. She is a senior member of China Computer Federation. She received her PhD degree from University of Magdeburg, Germany in 2005. Her current research interests include data mining, bioinformatics, and data management. Bolin Chen is an associate professor at School of Computer Science and Technology, Northwestern Polytechnical University, China. He received his PhD degree from University of Saskatchewan, Saskatoon, Canada. His current research interests include bioinformatics, computational and systems biology, data mining, and data management. Weibang Li is a PhD candidate of the School of Computer Science and Technology, Northwestern Polytechnical University, China. He received his BS degree from Nanjing University of Aeronautics and Astronautics, China in 2003. His current research interests include data quality management, big data analysis, and cloud computing. Zhilei Yin is a PhD candidate of the School of Computer Science and Technology, Northwestern Polytechnical University, China. He is a lecturer of Zhengzhou University of Light Industry, China. His current research interests include bioinformatics, data mining, database management, and machine learning.