Opinion leaders play an important role in influencing people’s opinions, actions and behaviors. Although a number of methods have been proposed in literature for identifying influentials using secondary sources of information, the true set of opinion leaders revealed through primary sources, such as surveys, is still favored in many domains. In this work, we present a new active learning method...

Collaborative filtering (CF) is one of the most well-known and commonly used technology for recommender systems. However, it suffers from inherent issues such as data sparsity. Many works have been done by used additional information such as user attributes, tags and social relationships to address these problems. We proposed an algorithm named OLrs (Opinion Leaders for Recommender System) base...

With the rapid development of the Internet, social network has gradually become one of the main network service platforms in people's lives. People with strong influence play a very important role in the process of information diffusion. At the same time, they have direct or indirect influence on a large number of others and be called opinion leaders. Especially, in the event of production, fer...

The conventional wisdom derived from the two-step flow theory suggests that opinion leaders have great influence on their followers. However, it has been difficult for social scientists to measure and describe the extent to which political opinion leaders influence voters, especially when voters today access multiple information sources like communication networks and self-selected news media. ...

Specialists from the FBI, Army National Guard, US NORTHCOM, Department of State, experts at hospitals and universities, and key opinion leaders from the private sector all agree that the most effective approach for comprehensive genetic variation discovery is by high-throughput sequencing [1-3]. Genome identification via DNA sequencing is a concept advocated by DHS leaders, e.g., Tom Ridge [4] ...

A major challenge in many word-of-mouth marketing campaigns is the cost-effective identification of opinion leaders, consumers who exert disproportionate influence on the purchase decisions of other consumers. However, empirical studies agree on few consumer characteristics that are strong predictors of opinion leadership. In the present research, we attempt to explain these null or weak findin...

BACKGROUND Rapid identification of subject experts for medical topics helps in improving the implementation of discoveries by speeding the time to market drugs and aiding in clinical trial recruitment, etc. Identifying such people who influence opinion through social network analysis is gaining prominence. In this work, we explore how to combine named entity recognition from unstructured news a...