中文摘要：

LU Xiaofeng, is currently a Lecturer in Beijing University of Posts and Telecommunications, China. He received his Ph.D. degree in computer science from Beihang University, China in 2010. During 2007 to 2008, he visited the Computer Laboratory of University of Cambridge, UK. His research interests include mobile Internet, DTN, ad hoc and network security. HUI Pan, is a Senior Research Scientist at the Telekom Innovation Laboratories （T-Labs） and an Adjunct Professor of social networking and computing at Aalto University （Helsinki University of Technology）, Finland. He holds a Ph.D. degree from Computer Laboratory, University of Cambridge, UK under the supervision of Prof. Jon Crowcroft and partly in the then Intel Research Cambridge. He received both Bachelor and Mphil degrees from University of Hong Kong, China. His research interests include DTN and social networks. Pietro Lio, is a Senior Lecturer at the Computer Laboratory of University of Cambridge, UK, and a Fellow and Director of Studies at Fitzwilliam College of University of Cambridge. He is currently modelling biological processes on networks; modelling stem cells; and developing transcription and phylogenetic applications in a grid environment. He is also interested in bio-inspired design of wireless networks and epidemiological networks.