Social networks express the information flows of individuals or groups using actors and relationships. Along with the growth of WWW, interest in large-scaled social networks has grown bigger. However, social networks being applied in diverse areas are facing with sparsity problems resulting from a shortage of actual relations with structural properties. Therefore, in this paper, sparsity proble...

Current studies argue that through building the virtual organization breeding environment one can quickly find partners and create a virtual enterprise. The creation of the virtual organization breeding environment requires its own social capital to satisfy some social requirements, but such researches are few This paper, based on complex network theory, proposes a new method to identify the vi...

Background: Although the scientific literature has extensively discussed the impact of the media on people’s health-related behaviors, there is little evidence on the effect of different sources of Covid-19 vaccine news on changing the intention to adhere to health protocols. Therefore, the present study was conducted to investigate the news sources of Covid vaccine 19 and the association of ea...

This research attempts to describe the identity development of students/teachers who used a virtual social network –Facebook to work with historical mathematics and mathematicians in the frame of a second degree course. Fifteen participants aged from 24 to 53 years old participated in the course in which they were required to attend mathematical Facebook sites involved with math history. The re...

Managers are increasingly interested in the social web, as it provides numerous opportunities for strengthening and expanding relationships with customers, but the network processes that lead to these user-based assets are poorly understood. In this paper, the authors explore factors influencing use and participation in virtual social networks. They also discuss unusual drivers and inhibitors p...

This paper examines the effects of composition, size and structure of virtual networks on the diffusion of information. The research extends the Axelrod cultural model (ACM), an established theory rooted in political science research, to explain information dissemination among social actors in ICT-enabled virtual networks (Axelrod 1997). The investigation is focused on the impact of network str...

The important role of social capital has been extensively researched in real-world contexts. Much less attention has been paid to its relevance in the virtual world. Two fundamental questions need to be addressed: First, does there exist any online social capital in virtual world and how to measure it if it does exist? Second, how does online social capital affect the performance of virtual tea...

The paper discusses methods, forms and safety issues of social network usage for school students. Taking into consideration the growing interest of students to electronic communication in social networks (ESN), it was described their place in the information educational environment. There were made the classification of objects and use of ESN to help teachers and school authority to teach stude...