Inclusive Social Network Services (ISN) represent an opportunity for ordinary people to access information and knowledge through the Web. Such systems should provide access for all, creating situations where users' diversity is respected and the access difficulties are minimized. The use of search mechanisms has been the main way to find information in the Web. However, such mechanisms are stil...

Using two new data sources to describe trends in the international relations (IR) discipline since 1980—a database of every article published in the 12 leading journals in the field and three surveys of IR faculty at US colleges and universities—we explore the extent of theoretical, methodological, and epistemological diversity in the American study of IR and the relationship between IR scholar...

Real world observations suggest that social norms of cooperation can be effective in overcoming social dilemmas such as the joint management of a common pool resource – but also that they can be subject to slow erosion and sudden collapse. We show that these patterns of erosion and 15 collapse emerge endogenously in a model of a closed community harvesting a renewable natural resource in which ...

OBJECTIVE To evaluate the relative power of social relations and social conditions in predicting depression using (CES-D scale) among rural pregnant women belonging to Sind, Pakistan. METHODS The study was conducted from January 2004 tp December 2004. Both qualitative and quantitative methods were employed. During quantitative phase a total of 375 rural pregnant women were inquired about soci...

This paper explores childhood social learning among Aka and Bofi hunter-gatherers in Central Africa. Existing literature suggests that hunter-gatherer social learning is primarily vertical (parent-to-child) and that teaching is rare. We use behavioural observations, open-ended and semi-structured interviews, and informal and anecdotal observations to examine the modes (e.g. vertical versus hori...

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...