Stress resulting from living in large cities (and alienation in certain individuals) fuels the high incidence of psychiatric illnesses in modern metropolises. Some pathology as Schizophrenia and Asperger has deficits on social cognition mechanisms and its presentation may be influenced by social environmental impact. Even more, common mental disease such as depression and personality disorders ...

This special issue of the Journal do Community Informatics is about information and communication technology (ICT) in Brazil. The articles selected for this edition comprise an interesting and diversified sample of Brazilian studies and initiatives concerned with the effective contribution of ICT to societal processes in the country. The reader will encounter examples of well-established and la...

As one of China's great metropolises, Taiyuan is generally recognized to be one of the most polluted cities from polycyclic aromatic hydrocarbons (PAHs) in the world. Therefore, this study was conducted to determine a total of 16 PAH concentrations in various environmental media in Taiyuan. The total PAHs concentration ranged from 1.0 to 26 microg g(-1) in soil, 1.2 x 10(2) to 1.4 x 10(3) ng m(...

Security surveillance is one of the most important issues in smart cities, especially in an era of terrorism. Deploying a number of (video) cameras is a common surveillance approach. Given the never-ending power offered by vehicles to metropolises, exploiting vehicle traffic to design camera placement strategies could potentially facilitate security surveillance. This article constitutes the fi...

by shouldering the burden of a big chunk of global production, and giving shelter to half of the world’s population, currently cities play an important role in national economies. benefits of agglomeration in cities have played a major role in the process of economic development of different countries, however, the expansion of urbanization has produced some problems including environmental and...