Mobile social networks are rapidly becoming an important new domain showcasing the power of mobile computing systems. These networks combine mobile location information with social networking data to enable fully context-aware environments. This paper describes SocialDining, a system that fuses mobile and social data to power novel contextaware recommendation services that provide recommendatio...

We propose a new approach to collaborative filtering in mobile tourist information systems based on spatio-temporal proximity in social contexts. The approach is motivated by a survey of festival visitors confirming that similarities of interests extends beyond events defining specific social contexts. We show how opportunistic information sharing in mobile ad-hoc networks can be used to realis...

The omnipresent mobile networks, such as Wi-Fi, WLAN, and network provided by mobile operators, facilitate the whole world connected. Mobile technology users can access to the world with the networks, making them feel constant connection to others which predicts the perception of invasion. This study aims to explore the boundary condition of this relationship from two perspectives—individuals’ ...

Because people have different levels of engagement with each other, measuring social relations is difficult. In this work, we propose a method of measuring social relations with multiple datasets and demonstrate the differences with empirical evidence. Our empirical findings demonstrate that people use different communication media channels differently. Therefore, we suggest that in order to un...

With the growth of mobile social networks (MSNs), crowdsourced information could be used for recommendation to users. However, it is quite vulnerable Sybil attacks, where attackers post fake or reviews mislead users business benefits. To address this problem, existing detection models mainly use graph-based techniques extract features these approaches either rely on strong assumptions lack gene...

We present an agent-based middleware for social-mobile applications, which has been developed as part of an ongoing linkage project. One aspect of the MobiSoft project is the vision of facilitating, augmenting, and promoting human social interaction by electronic personal assistants during face-to-face encounters. Possible areas of social mobile applications include the establishment of groups ...