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Smart city development plays an important role in achieving urban sustainability. This paper uses mapping of knowledge domain (MKD) analysis to review 965 studies concerning smart city development and urban sustainability (SCDUS). The most influential journals, scholars, articles, keywords, and regions in the SCDUS research field are identified. Research findings also reveal four prevailing topic clusters in the current SCDUS field, namely information technology, energy and environment, urban transportation and mobility, and urban policy and development planning. Potential research frontiers are further proposed. The findings contribute to a better understanding of the development of current SCDUS research. [ABSTRACT FROM AUTHOR]

Abstract: In recent years, there has been rapid urbanization worldwide, resulting in both benefits and problems. Sustainable urbanization has become an important aspect in promoting sustainable development. Existing studies have introduced various methodologies to guide urbanization towards sustainable practices. The application of these methods has contributed to improving urban sustainability. To further support the effective applications of the principles of sustainable urbanization, a tool is needed to evaluate whether a particular process of urbanization is sustainable. In this paper, we introduce an alternative model for evaluating sustainable urbanization by investigating the relationship between urbanization and urban sustainability. The practice of sustainable urbanization is defined as a dynamic process that enables urban sustainability to improve or to maintain a certain level of practice. By employing this definition, we introduce a sustainable urbanization elasticity coefficient eSU , which is defined by two parameters: urbanization velocity (VμR ) and urban sustainability velocity (VμS ). The sustainability of an urbanization process is measured by the value of eSU or read from the VμR –VμS coordinate. A case study demonstrates the application of the measure eSU and the VμR –VμS coordinate. The proposed model is an effective tool to help policy makers understand whether the urbanization processes they support are sustainable and thus whether to correct practices. The model also allows comparison of different urbanization practices and thereby encourages the sharing of successful experiences. [Copyright &y& Elsevier]