We study the market for applications on Facebook, the dominant platform for social networking and make use of a rule change by Facebook by which high-quality applications were rewarded with further opportunities to engage users. We find that the change led to quality being a more important driver of usage while sheer network size became less important. Further, we find that update frequency hel...

Social media usage among organizations is growing tremendously. Organizations are now building and maintaining social media public pages to improve their social network salience, enhance interest in their organizations, and build relationships with the online public. The majority of the studies on social media usage are based on the individual perspective while some are from the organizational ...

Developing effective networks is critical to the success of educational programs, the spread of excellence across scales of educational practice, and the sustainability of communities devoted to a shared mission (Austin 2000). Yet common metrics have not been established to evaluate the evolution of these networks. The evaluation of consortia in general has tended to look at the effects of the ...

Information-Centric Network (ICN) is a new paradigm, which solve the limitations of the IP network architecture. The one of the advantage in ICN is that it reduces network traffic by using in-network caching. The caching is an important element of the ICN, because the factor that leads to efficient usage of network resources is the high hit ratio of a cache in a router. In this paper, we consid...

While community detection is an active area of research in social network analysis, little effort has been devoted to community detection using timeevolving social network data. We propose an algorithm, Persistent Community Detection (PCD), to identify those communities that exhibit persistent behavior over time, for usage in such settings. Our motivation is to distinguish between steady-state ...

Prior research indicates that Facebook usage predicts declines in subjective well-being over time. How does this come about? We examined this issue in 2 studies using experimental and field methods. In Study 1, cueing people in the laboratory to use Facebook passively (rather than actively) led to declines in affective well-being over time. Study 2 replicated these findings in the field using e...

Referring to recent research calls regarding the role of individual differences on technology adoption and use, this paper reports on an empirical investigation of the influence of a user’s personality on the usage of the European career-oriented social network XING and its usage intensity (n = 760). Using structural equation modeling, a significant influence of personality on the intensity of ...

Social interactions between students are a major and underexplored part of undergraduate education. Understanding how learning relationships form in undergraduate classrooms, as well as the impacts these relationships have on learning outcomes, can inform educators in unique ways and improve educational reform. Social network analysis (SNA) provides the necessary tool kit for investigating ques...

This research responds to a current phenomenon that individuals experience fatigue, while using social network sites, such as Facebook, which original intend to provide hedonic value to users. To explain this current phenomenon, we propose and evaluate a research model based on the stressstrain-outcome model. Focal point is the stressor social overload, which induces feelings of being emotional...

Armed with the great potential for business value and social networking, social media have generated great interests in academia and practice. Rare studies investigated the impact of social psychological factors on the usage of Facebook and the formation of quality relationship. The objective of this paper is to examine the key social psychological factors to better explain the formation of qua...