The purpose of this study is to give an empirical glance on different forms of self-exposure on Social Network Sites (SNS). Based on a sociological on-line game, it explores the different tendencies in the self-exhibition shift and tries to find out how it is linked to different strategies in order to choose friends. In the first game, people have to select, among four ranked pictures, the one ...

Social network is a social structure of nodes that are tied by various kinds of relationships, such as kinships, friends, web links, colleagues, citation links, etc. Recently, large on-line social networks have become very popular among web users. In this paper, we present a thoroughly overview towards the recent efforts in social network research from a graph data management perspective. We id...

Limitations in data collection have long been an obstacle in research on friendship networks. Most earlier studies use either a sample of ego-networks, or complete network data on a relatively small group (e.g., a single organization). The rise of online social networking services such as Friendster and Facebook, however, provides researchers with opportunities to study friendship networks on a...

social commerce, a new stream in e-commerce, enables hyper-informed consumers to support the businesses in new product development. hyper-informed consumers are the results of online communication provided by social media. these consumers have been empowered by web 2.0 technologies to have online communication, which drives value for the companies in new product development. trust is one the va...

The pervasiveness of the Internet and smartphones enables individuals to participate in online social networks such Twitter and Facebook, besides the classic physical contact network. Such multi-layer network allows for feedback between networks / layers. For instance, the spread of a biological disease such as Ebola in a physical contact network may trigger the spreading of the information rel...

Online communities are connecting hordes of individuals and generating rich social network data. The social capital that resides within these networks is largely unknown. We propose to create a general framework for measuring and leveraging social capital based upon explicit social networks, implicit affinities, and the mobilization of social resources. The resulting quantitative models are use...

Online communities are the gatherings of like-minded people, brought together in cyberspace by shared interests. The shared interest has hidden social capital aspects and can be of bridging or bonding type .Creating such communities is not a big challenge but sustaining member’s participation is. This study examines the formation and maintenance of social capital in social network sites. In add...

Article history: Keywords: Twitter Bonding online social capital Bridging online social capital Followers Followees a b s t r a c t The present study investigates the influence of Twitter use and the number of followers and followees on perceived bridging and bonding online social capital. Data from a convenience sample of Twitter users (N = 264) indicate that bonding social capital is associat...

Online social networks have been gaining increasing economic importance in light of the rising number of their users. Numerous recent acquisitions priced at enormous amounts have illustrated this development and revealed the need for adequate business valuation models. The value of an online social network is largely determined by the value of its users, the relationships between these users, a...