A grand challenge in network science is apparently the missing of a structural theory of networks. The authors have showed that the existence of community structures is a universal phenomenon in real networks, and that neither randomness nor preferential attachment is a mechanism of community structures of network 1. This poses a fundamental question: What are the mechanisms of community struct...

T he First IEEE International Conference on Multimedia Big Data (BigMM 2015) took place at the Chinese National Convention Center in Beijing, China, from 20–22 April 2015. This conference was jointly sponsored by the IEEE Technical Committee on Multimedia Computing (TCMC) and IEEE Technical Committee on Semantic Computing (TCSEM) and was hosted by Peking University. The motivation for organizin...

One of the ambitions of Science Robotics is to deeply root robotics research in science while developing novel robotic platforms that will enable new scientific discoveries. Of our 10 grand challenges, the first 7 represent underpinning technologies that have a wider impact on all application areas of robotics. For the next two challenges, we have included social robotics and medical robotics a...

social networks have been widely interested by many academics and industry researchers due to extensive functions and interactions.this study aims to identify the requirements, issues, and the main effective factors on the formation of social networks of technology and innovation management actors. the research method is descriptive-survey which the requirements of actors in management of techn...

introduction: clearly, there are some challenges and difficulties in fulfilling social accountability which should be identified and dealt with in order to reach the ultimate goal. the main objective of this study was to identify the challenges associated with social accountability. methods: in this qualitative study, focus groups and in-depth semi-structured interview were used to obtain the o...