1. Half of Global Population will Live in Cities by End of this Year, Predicts UN;United Nations News Centre,2008
2. How Smart is Your City?;IBM,2009
3. Impacts of information technologies on urban economies and politics;Saskien;Int. J. Urban Reg. Res.,2001
4. Will the real smart city please stand up? Intelligent, progressive or entrepreneurial city: analysis of urban trends, culture, theory;Hollands;Policy Action,2008