1. United Nations, Global Issues, Population. https://www.un.org/en/sections/issues-depth/population/#:~:text=The%20world%20population%20is%20projected,and%2011.2%20billion%20by%202100. Last accessed 12 Dec 2020
2. Voda, A.I., Radu, L.D.: Artificial intelligence and the future of smart cities. BRAIN. Broad Res. Artif. Intell. Neurosci. 9(2), 110–127
3. Yigitcanlar, T., Desouza, K.C., Butler, L., Roozkhosh, F.: Contributions and risks of artificial intelligence (AI) in building smarter cities: insights from a systematic review of the literature. Energies 13(6), 1473 (2020)
4. Bj, T.: How are smart cities perceived by project leaders and participants in an ongoing project: the challenge of evaluating smart cities. In: 2018 Smart City Symposium Prague (SCSP), May 2018, pp. 1–5. IEEE (2018)
5. Navarathna, P.J., Malagi, V.P.: Artificial intelligence in smart city analysis. In: 2018 International Conference on Smart Systems and Inventive Technology (ICSSIT), Dec 2018, pp. 44–47. IEEE (2018)