In recent years, adverse drug reactions have drawn more and more attention from the public, which may lead to great damage to the public health and cause massive economic losses to our society. As a result, it becomes a great challenge to detect the potential adverse drug reactions before and after putting drugs into the market. With the development of the Internet, healthrelated social network...

Social networks are gaining an increasing popularity on the internet and are becoming a critical media for business and marketing. Hence, it is important to identify the key users that may play a critical role as sources or targets of content dissemination. Existing approaches rely only on users social connections; however, considering a single kind of information does not guarantee satisfactor...

this study tries to provide a virtual image of the structure and design of facenama, cloob, facebook and google+ social networks. the main question in this study is which variable or variables are differ in the structure and design of social networks of iranian and non-iranian. content analysis has been used in this study. content analysis is a research method to describe the objective, systema...

With the proliferation of online social networks, understanding how and why individuals adopt and use online social networks can help managers and marketers to design better methods and approaches towards engaging users of these kinds of networks. The purpose of this study is to investigate the determinants of user acceptance of online social networks, with particular attention given to a resea...

Access to global information is of primary importance in a global world. The Internet contains a huge amount of documents and it has a big potential as a news media, but the key is in the mechanism in which information is accessed. This paper describes a novel idea consisting in combining the potential of both social networks and search engines. We describe here the basic ideas behind a trust r...

The Internet, both as a technological system and a set of social phenomena, has global reach. Its development is comparatively recent but the Internet has already become established as an ordinary feature of the everyday activities of people around the world. However, the very familiarity of this information infrastructure tends to obscure important dynamics of the process by which the current ...

Online Social Networks (OSN) are among the most popular applications in today’s Internet. Decentralized online social networks (DOSNs), a special class of OSNs, promise better privacy and autonomy than traditional centralized OSNs. However, ensuring availability of content when the content owner is not online remains a major challenge. In this paper, we rely on the structure of the social graph...