Today, it is the norm for online social (OSN) users to have accounts on multiple services. For example, a recent study showed that 34% of all Twitter users also use Pinterest. This situation leads to interesting questions such as: Are the activities that users perform on each site disjoint? Alternatively, if users perform the same actions on multiple sites, where does the information originate?...

In solving diverse data management problems, underlying social network between users and semantics hidden deep in User-generated

In this paper we analyze the relationship between social networks and the job search behavior of unemployed individuals. It is believed that networks convey useful information in the job search process such that individuals with larger networks should experience a higher productivity of informal search. Hence, job search theory suggests that individuals with larger networks use informal search ...

Although the positive association between religiosity and life satisfaction is well documented, much theoretical and empirical controversy surrounds the question of how religion actually shapes life satisfaction. Using a new panel dataset, this study offers strong evidence for social and participatory mechanisms shaping religion’s impact on life satisfaction. Our findings suggest that religious...

When an epidemic spreads in a population, individuals may adaptively change the structure of their social contact network in response. We study the spread of epidemics in an adaptive network with community structure. Community structure is a characteristic of social networks that has been neglected in previous adaptive network epidemic models. We model the effect of heterogeneous communities on...

Social Networks are an efficient way to share knowledge about various topics such as Complementary and Alternative Medicine. However, the amount of information that can be obtained, associated with the variety of information sources and formats present on social networks, is time consuming for the users. We are here focusing on the preferences that Information Seekers have in the CAM area and o...