Though privacy and trust have been studied in the social network site (SNS), few have identified the relationships among users’ privacy concern, trust and their actual usage behavior in SNS. Moreover, little attention has been paid to investigating the differences between users from different cultural contexts. In this paper, we have been engaged in addressing these concerns by surveying two ty...

Trust is considered to reduce uncertainty, and, therefore, is a prerequisite for people to engage in online transactions. Social presence potentially bridges the discrepancy between offline and online commerce in terms of face-to-face interaction. These concepts are often studied under the assumption that social presence in itself increases trust. In addition, these studies typically treat trus...

The main purpose of this research is identifying socio - economic factors that influence participation of young people in virtual space. The research method in this research is Survey and in terms of aim is applied and extensive level, Statistical population consists of all 20 to 34-year-old youth in Tehran that according to the results of the general census of population and housing in 2011 ha...

Channel repertoires, the subsets of available channels that viewers actually watch, have typically been measured by relying on respondent recall. Using minute-by-minute peoplemeter data from Beijing, this study operationalized channel repertoire as the channels actually watched for 10 or more consecutive minutes during the week. On average, Chinese viewers used 13 channels, about one third of t...

This paper describes a new head detection method for people counting in crowded environments from a single camera. Our method adopts skeleton graph to distinguish person among people in crowded enviroments. The usage of skeleton graph is the main difference between this method and the traditional ones. Firstly, the skeleton graphs are calculated for each selected blob in the scene after foregro...

trust is an important element in human relations and cooperation between members of the organization. trust can be the interpersonal or inter-group, in special mode; or be generalized and related to the whole organization in general mode. special-generalized trust as a complex interactive process is influenced by various personal and social factors and variables. some of the most important fact...