Public opinion emergencies have important effect on social activities. Recognition of special communities like opinion leaders can contribute to a comprehensive understanding of the development trend of public opinion. In this paper, a network opinion leader recognition method based on relational data was put forward, and an opinion leader recognition system integrating public opinion data acqu...

Although a number of studies have examined the influence of public opinion on government policy, few have considered the influence of public opinion on social conditions. These are separate questions, since government policies may not have their intended effects and opinion may influence some outcomes independently of government action. This paper examines the relationship between public suppor...

BACKGROUND Different kinds of physical activity (PA) self-monitoring technologies are used today to monitor and motivate PA behavior change. The user focus is essential in the development process of this technology, including potential future users such as representatives from the group of non-users. There is also a need to study whether there are differences between the groups of users and non...