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In Aug, 2009, Chinese Premier WEN Jiabao brought forward the concept of "sensing China", the internet of things (IOT) has become the national strategy of China since then. After that, Secretary of Beijing Municipal Government LIU Qi, put forward to the concept of "sensing Beijing", and hope IOT can be new industrial motivation of Beijing development. Furthermore, in January 2010, GUO Jinlong, Mayor of Beijing Municipal Government officially remarked that "IOT construction in Beijing should start from the city security and emergency management applications". Pilot projects of IOT now focus on the new features related to Emergency Management Systems.
Zhang et al. (Mon,) studied this question.