About the Author:

Professor Young-Sik Jeong is a professor in the Department of Multimedia Engineering at Dongguk University in Korea. His research interests include cloud computing, mobile computing, IoT(Internet of Things), and wireless sensor network applications. He received his B.S. degree in Mathematics and his M.S. and Ph.D. degrees in Computer Science and Engineering from Korea University in Seoul, Korea in 1987, 1989, and 1993, respectively. Since 1993, he has been serving as an IEC/TC 100 Korean Technical Committee member, as the IEC/TC 108 Chairman of Korean Technical Committee, and as an ISO/IEC JTC1 SC25 Korean Technical Committee member. Also He is an EiC(Editor-in-Chief) of Journal of Information Processing Systems, an associate editor of IJCS(international Journal of Communication Systems) and an editor of JIT(Journal of Internet Technology), finally an associate editor of Journal of Human-centric Computing(HCIS) and so on. He is also is a member of the IEEE. http: //ucloud-lab.dongguk.edu

Professor Young-Ho Park is an Assistant Professor of the Multimedia Science at Sook Myung Women's University. His research interests include Database Management Systems (DBMS), Information Retrieval (IR), XML, and Telecommunication Systems. His teaching includes Database Management Systems (DBMS), Multimedia Database Management Systems, Data Structures, Programming Languages, and File Systems.
Prof. Young-Ho Park received his Ph.D. degree (Advisor:: Prof. Kyu-Young Whang, Research Field:: DBMS, XML, and IR) in Department of Computer Science from the Korea Advanced Institute of Science and Technology ( KAIST ) in 2005 (since 1999). His Ph.D. research includes efficient query processing in heterogeneous XML documents. He received his B.S. and M.S. degrees in Computer Engineering from the Dongguk University in 1990 and 1992. He had worked for the Electronics and Telecommunication Research Institute ( ETRI ) as a senior research staff at the ISDN Administration & Maintenance Division for TDX-10 ISDN, the Real-Time DBMS Division and the Real-Time Operating System Division from 1993 - 1999. And, he had worked for the Advanced Information Technology Research Center ( AITrc ), Korea Advanced Institute of Science and Technology ( KAIST ) as a Post Doctor at the from 2005 - 2006 after receiving Ph.D. degree.

Professor Ching-Hsien (Robert) Hsu is presently a visiting scholar in department of computer science at Virginia Tech. He is a professor in department of computer science and information engineering at Chung Hua University, Taiwan; and distinguished chair professor in school of computer and communication engineering at Tianjin University of Technology, China. His research includes high performance computing, cloud computing, parallel and distributed systems, ubiquitous/pervasive computing and intelligence. He has published 200 papers in refereed journals, conference proceedings and book chapters in these areas. He has been involved in more than 100 conferences and workshops as various chairs and more than 200 conferences/workshops as a program committee member. He is the editor-in-chief of international journal of Grid and High Performance Computing, and serving as editorial board for around 20 international journals. He has been acting as an author/co-author or an editor/co-editor of 10 books from Springer, IGI Global, World Scientific and McGraw-Hill. He has also edited a number of international journal special issues as a guest editor, such as IEEE Transactions on Services Computing, Future Generation Computer Systems, Journal of Supercomputing, Concurrency and Computation: Practice and Experience, The Knowledge Engineering Review, Internet Research, Information System Frontiers, etc. He was awarded 5 times annual outstanding research award through 2005 to 2012 and a distinguished award in 2008 for excellence in research from Chung Hua University. He has been serving as executive committee of Taiwan Association of Cloud Computing (TACC) from 2008-2011; executive committee of the IEEE Technical Committee of Scalable Computing (2008-2011). He is member of Phi Tau Phi Scholastic honor society; IEEE senior member; regional director of the Future Technology Research Association (FTRA); and standing director of Taiwan Association of Cloud Computing (TACC).

Professor James J. Park received his Ph.D. degree in Graduate School of Information Security from Korea University, Korea. From December, 2002 to July, 2007, Dr. Park had been a research scientist of R&D Institute, Hanwha S&C Co., Ltd., Korea. From September, 2007 to August, 2009, He had been a professor at the Department of Computer Science and Engineering, Kyungnam University, Korea. He is now a professor at the Department of Computer Science and Engineering, Seoul National University of Science and Technology (SeoulTech), Korea. Dr. Park has published about 100 research papers in international journals and conferences. He has been serving as chairs, program committee, or organizing committee chair for many international conferences and workshops. He is a president of the Future Technology Research Association International (FTRA) and Korea Information Technology Convergence Society (KITCS). He is editor-in-chief of Human-centric Computing and Information Sciences(HCIS) by Springer, International Journal of Information Technology, Communications and Convergence (IJITCC) by InderScience, and Journal of Convergence (JoC) by FTRA Publishing. He is Associate Editor / Editor of 14 international journals including 8 journals indexed by SCI(E). In addition, he has been serving as a Guest Editor for international journals by some publishers: Springer, Elsevier, John Wiley, Oxford Univ. press, Hindawi, Emerald, Inderscience. His research interests include security and digital forensics, Human-centric ubiquitous computing, context awareness, multimedia services, etc. He got the best paper awards from ISA-08 and ITCS-11 conferences and the outstanding leadership awards from IEEE HPCC-09, ICA3PP-10, IEE ISPA-11, and PDCAT-11. Dr. Park' s research interests include Digital Forensics, Security, Ubiquitous and Pervasive Computing, Context Awareness, Multimedia Service, etc. He is a member of the IEEE, IEEE Computer Society, KIPS, KICS, KIISC, KMMS, KDFS and KIIT.