Evaluation of the smart city: Applying the dematel technique
Introduction
More than half of the world population lives in cities today (UN, 2019). Increasing population growth, particularly in the urban area, causes many challenges towards urban sustainability (Abdullah and Rahim, 2020, Rana, 2011, Rosenzweig et al., 2010). Correspondingly, like smart city, some new urban approaches, which have promoted alternative models for creating sustainable human settlements, have emerged in recent years (Cugurullo, 2018, Hollands, 2008). The smart city is a conceptual urban development approach depending on the employment of human, collective, and technological capital to enhance urban development and prosperity (Angelidou, 2014). In other words, being smarter increases the capabilities of cities in response to potential future urban challenges.
Consequently, the concept of a smart city has gained increasing attention worldwide, particularly in cities in which a large population of people living (Al-Nasrawi et al., 2015). It is a matter of exploration, such as the urban population lives in medium-sized cities, while most research focuses on the metropolises. Respectively, there is competitiveness and sustainable development in medium-sized cities (e.g., European cities) and global smart cities. However, the challenges and drivers for being smart needed to be identified in terms of strengths and weaknesses for better comparison between cities and adapting eligible strategies to become smarter.
Although smart city concept has become a popular term, there is no consensus about what smartness means or how to identify its key characteristics in the literature. Besides the popularity of the term, awareness and applicability issue still remains in question. Some studies focus on technology and data, while others are interested in sustainability, innovation, resiliency, and openness (Gil-Garcia et al., 2016). From a general perspective, there exist a number of studies intended for identifying key dimensions of smart city, such as Giffinger et al., 2007, Lombardi et al., 2012. Some researchers measure the level of urban smartness within the dimensions of the smart city (Giffinger et al., 2007, Giffinger and Gudrun, 2010, Shen et al., 2018). Although there is a growing number of literature focusing dimensions of smart city, a rare number of studies tend to determine the importance ranking of dimensions as well as reveal the relationships between them.
In terms of dimensional perspective, criteria or sub-criteria (or domains/sub-domains) are assumed to be important and influencing each other. Also, the degree of influence for each of them may differ. In other saying, each domain is presented that has its own degree of influence or weight (Abdullah and Rahim, 2020). However, the importance of dimensions and sub-dimensions is generally neglected in studies of smart cities. In this sense, the authors observe a gap in the smart city's present literature and address it empirically. Additional to awareness and applicability of what is smartness, it is imperative and significant to contribute to the current literature answering two following questions, too:
- (1)
What is the importance ranking of smart city dimensions/sub-dimensions?
- (2)
What are the relationships between the dimensions/sub-dimensions?
The answers to the above questions allow us to understand the importance of dimensions and realize the relations in between. To bring more rational and realistic approaches to smart city evaluation can be regarded as a contribution. In that regard, a hybrid approach containing qualitative and quantitative phases was developed. The data required was collected by semi-structural questions to reveal expert perceptions to check the significance. In the qualitative phase, the questions about the awareness and applicability of the concept of smart city have been prepared. These questions were asked to a group of 10 academicians with expertise in urbanization. The reason that to have chosen medium-sized cities is due to the preferences of Giffinger et al. (2007) in their original work. In the quantitative phase, Center of Regional Science, Vienna UT, in the October 2007 report of the smart city dimensions were chosen to evaluate (Giffinger et al., 2007). These dimensions were evaluated by DEMATEL (Decision Making Trial and Evaluation Laboratory) method. The relationships between the main dimensions and sub-dimensions were revealed, and their weights were calculated. By highlighting the priority of the dimensions, it also helps to analyze the cause and effect associations. From this point of view, one of the most important features of the DEMATEL method is that it is able to establish an explanatory model of relationships by determining the level of interaction and the degree of interaction between the criteria. The outline of the paper is as follows: Section 2 revises the relevant literature on smart cities and focuses on the definition, scope, and dimensions of the concept. The case illustration as Section 3 performs a literature review regarding dimensional perspective of the term sequencing to form a pattern for the DEMATEL. Section 4 outlines the methodology, the research design and describes questionnaire preparation and data collection. Section 5 presents the results of the study. Finally, Section 6 discusses, concludes, and provides the contributions of this paper.
Section snippets
The concept of smart city
Cities have to compete in a new economic environment today. Growth, economic value, and competitive differentiation of urban areas depend on the skills of citizens, creativity, knowledge, and the creative and innovative capacity of the economy. A more citizen-centric approach for reaching the services, cities need to apply better-advanced information technology, analytics, and systems thinking. To improve their current and future service delivery capacities, they need to make their core systems
Case illustration
There is a widespread acceptance in the literature that the smart city is multi-dimensional (Fusco Girad et al., 2009, Giffinger et al., 2007, Giffinger and Gudrun, 2010, Lombardi et al., 2012, Nam and Pardo, 2011a, Washburn et al., 2010). Other than those counted, there are many studies related to performance measurement in the smart cities (Al-Nasrawi et al., 2015). In comparison, the smart city's dimensions (or sub-dimensions) may not be of equal importance. So, one or more of them may be
Solution methodology
This study's methodology has two folds: (1) qualitative phase and (2) quantitative phase based on MCDM. The hybrid methodology applied in the study is given in Fig. 1.
The participants are chosen from academics as a purposive sampling as the smart city is a novel issue and has great popularity in the related academic field. To reveal the awareness and the applicability issues, the authors purposively selected the participants from the academy as with the intention of they have detailed knowledge
Qualitative results
As it is aimed to elicit the interviewees’ rationales for smart city concepts according to the interviews, the qualitative results shed light on the term's controversial structure. The thematic categorization addressed perceptions a priori to choice and decision mechanisms to foresee that what is currently in mind differs from reality.
(1) (2) How can you describe the term smart city and differentiate it from other smart approaches for cities?
According to interviewees, when describing the term
Discussion and conclusion
In this paper, a smart city assessment of six main dimensions is addressed based on the previous literature. A hybrid methodology of two phases, which consists of expert judgments, a qualitative descriptive method, and a quantitative phase including DEMATEL, is utilized to reveal smart city awareness and the applicability in general and evaluation of its dimensions by DEMATEL. The results will be discussed within each related methodology for the consistency of the research questions accordingly.
Concluding remarks
In this study, social and human capital criteria came into prominence with indicators included as level of qualification, affinity to life long learning, social and ethnic plurality, flexibility, creativity, cosmopolitanism/open-mindedness, participation in public life. Referring to the background mentioned in the literature, in terms of adapting theoretical knowledge with empirical rationale with the interviews, can be concluded as the following:
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Technology as a remark: while all ‘the smart’
Declaration of Competing Interest
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
Acknowledgements
None.
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