This paper reports student interaction patterns and self-reported results of using Twitter microblogging environment. The study employs longitudinal probabilistic social network analysis (SNA) to identify the patterns and trends of network dynamics. It is building on earlier works that explore associations of student achievement records with the observed network measures. It integrates gender a...

In the paper, it analyses the relationship between social capital and social security among the youth in sari(Northern Iran). Out of 65326 young people more than 118 ones were randomly selected through Cochran sampling method.The Alph- coranbach coefficient for the social capital were %85 and for social security were %83. According to Pearson correlation coefficient, there is a significant rela...

Events in an online social network can be categorized roughly into endogenous events, where users just respond to the actions of their neighbors within the network, or exogenous events, where users take actions due to drives external to the network. How much external drive should be provided to each user, such that the network activity can be steered towards a target state? In this paper, we mo...

OBJECTIVE to analyze the possibilities of help/support through the mapping and acknowledgement of the social network of women who denounce experiences of violence at a Police Precinct for Women. METHOD qualitative study based on the theoretical-methodological framework of Lia Sanicola's Social Network, through interviews with 19 women. RESULTS the analysis of the network maps evidenced that...

this article deals with social support and its importance in the well being of chronic mental patients and their families. stuctural and functional characteristics of scial network, and their effects on adjustment of chronic mental patients are reviewed. it emphasizes, interventions in social network of chronic mental patients to increase social support and strengthen social networks.

DEFINITION A social network is a social structure made of actors, which are discrete individual, corporate or collective social units like persons or departments [19] that are tied by one or more specific types of relation or interdependency, such as financial exchange, friendship, membership in the same club, sending of messages, web links, disease transmission (epidemiology), or airline route...

In this paper we propose a class of propagation models for multiple competing products over a social network. We consider two propagation mechanisms: social conversion and self conversion, corresponding, respectively, to endogenous and exogenous factors. A novel concept, the product-conversion graph, is proposed to characterize the interplay among competing products. According to the chronologi...