Due to the revolutionary development of Web 2.0 technology, individual users have become
major contributors of Web content in online social media. In light of the growing activities …

With the popular of online social network, the studies of information diffusion on social media
also become very attractive direction. Knowing the influence of users and being able to …

As an important information portal, online healthcare forum are playing an increasingly
crucial role in disseminating information and offering support to people. It connects people …

Abstract Objective Online health communities (OHCs) have become a major source of
support for people with health problems. This research tries to improve our understanding of …

Online social networks have gradually permeated into every aspect of people's life. As a
research hotspot in social network, user influence is of theoretical and practical significant …

Micro-blog services have become popular tools in the social networks. Online users discuss
various topics in the micro-blog and some influential users can affect the opinions, attitudes …

In this paper, we present a dynamic model to identify influential users of micro-blogging
services. Micro-blogging services, such as Twitter, allow their users (twitterers) to publish …

Understanding influence plays a vital role in enhancing businesses operation and improving
effect of information propagation. Therefore the user influence in social media, such as …

The problem of discovering influential users is important to understand and analyze online
social networks. The user profiles and interactions between users are significant features to …

Twitter is a popular social network service which is continuously growing. Because Twitter
has become an efficient platform for advertising companies as a new vast medium, it is …