The authors present a parsimonious theoretical model that illustrates how Internet-based virtual environments (such as social networking Web sites) moderate the relationship between social networks and social entrepreneurship. Social networks promote social entrepreneurship by means of (a) technology and knowledge transfer; (b) locating information; (c) generating entrepreneurial opportunities;...

today, online social networks are very popular due to the possibility of creating relationships between people all over the world. these social networks with possibilities such as friend recommendation generally use local features derived from social graph structure. for friend recommendation, there are different algorithms with local and global approaches. in this paper, we proposed an algorit...

Educational content is often shared among different educators and is enriched, adapted and in general repurposed so that it can be re-used in different contexts. This paper exploits the various aspects of object-centered sociality that the educational resource can manifest in a participatory virtual community of authors and learners. These social facets include: (a) the obvious connections via ...

Social networks change the way users relate on the Web. One type of social network is the virtual community, which has a social structure that connects citizens and the government. Integrating consultation and deliberative environments for popular participation in democratic issues and creating virtual communities to enhance member relationships makes it possible to model decision-making proces...

This paper presents a novel framework for ubiquitous social networks (USNs). Instead of making virtual connections, on the basis of human social networks, an effort has been made to facilitate interactions among human social networks with the help of virtual social networks. The imperative domains that support ubiquitous social networks are highlighted and different scenarios are provided to pr...

this paper aimed to investigate the relationship between components of social capital (security, trust, social norms, social networks and participation in social activities) and physical activity participation among the adolescent students in yazd city. the statistical population of the study included adolescent students (14-17 years old) from yazd city. 382 adolescents were randomly selected t...

Today, the number of people using social networks is increasing. Meanwhile, the most important effect of these networks is on the quality of family members' relationships because it is considered as a tool that can be very effective on the relationships of family members with each other. Therefore, the purpose of this study was to investigate the effect of social networks on family relationship...

the use of virtual social networks has increased among iranians in the recent years. the aim of this study was to compare some of the reasons of tendency to use these social networking sites (body image satisfaction, emotion regulation and loneliness) among male and female students. research method of the current study was a causal-comparative one. the study population included all male and fem...

Social networks, which emerged due to the rapid development of modern telecommunications and information technologies that led to the emergence of the Internet, can be viewed as a phenomenon of the information society. In a short time, there has been both quantitative and qualitative growth of social networks, which have become a common phenomenon in our life and the dominant way of communicati...