A trust metric is a technique for predicting how much a user of a social network might trust another user. This is especially beneficial in situations where most users are unknown to each other such as online communities. We think the recent tumultuous evolution of social networking demands for a collective research effort. With this in mind we created Trustlet.org, a platform consisting of a w...

Recommendation plays an increasingly important role in our daily lives. Recommender systems automatically suggest items to users that might be interesting for them. Recent studies illustrate that incorporating social trust in Matrix Factorization methods demonstrably improves accuracy of rating prediction. Such approaches mainly use the trust scores explicitly expressed by users. However, it is...

There is a general consensus among contemporary social scientists that social trust is important, as the small flood of recent publications on the topic shows. 1 The interest in trust covers, unusually in the increasingly ABSTRACT: This article identifies six main theories of the determinants of social trust, and tests them against survey data from seven societies, 1999– 2001. Three of the six ...

This study investigates the phenomenon of transactive memory by examining trust networks and social presence in human-computer interaction. Traditional theories suggest that transactive memory can be developed by structural mechanisms that increase knowledge specialization and task coordination, but more recent research also suggests that it can be enhanced through social network mechanisms and...

This paper wants to study the measurement of social capital of the Payam Noor University in southern Khorasan. It also tries to increase the role of social capital through participation and membership in different groups. Thus, Two types of hypotheses were in micro and macro levels analyzed. More than 329 students were randomly selected and ( F and T) coeficeints show that variables like gender...

This article analyzes trust in public institutions. In both theoretical literature and empirical research, a link between social trust and institutional trust has been established. Specifically, this paper casts additional light on this relationship. Moreover, it tests whether institutional trust is dependent on citizens’ perceptions of how well institutions live up to normative expectations he...

Online social networks (OSNs) have gained enormous popularity in recent years. Hundreds of millions of social network users reveal great amounts of personal information in the Web 2.0 environment that is largely devoid of security standards and practices. The central question in this article is why so many social network users are being so trusting. The focus is on theory-building on trust as a...

Managing trust in a distributed Mobile Ad Hoc Network (MANET) is challenging when collaboration or cooperation is critical to achieving mission and system goals such as reliability, availability, scalability, or reconfigurability. In defining trust and managing trust in a military MANET, we must consider the interactions between the composite cognitive, social, information and communication net...