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    Evaluating Sustainable Management of Cultural Heritage using Interval-valued Pythagorean Fuzzy AHP
    (Elsevier B.V., 2024) Tas, Mehmet Ali; Alptekin, S. Emre
    Cultural heritage is one of the most important universal values reflected by past societies to the present day. It is essential to establish management strategies in order to carry out many activities such as protection, renovation, maintenance and repair of cultural heritage effectively and efficiently. For this purpose, cultural heritage management strategies should be created in accordance with sustainable development. Existing strategies can be improved or new ones can be structured by measuring the importance levels of sustainability criteria that should be taken into account in these strategies. This study includes an examination of the sustainability criteria in determining the management strategy of cultural heritage in the city of Istanbul. 18 criteria under the main economic, social and environmental criteria are listed with literature review and decision makers' opinions. Decision makers' linguistic responses are converted into interval-valued Pythagorean fuzzy number equivalents. The interval-valued Pythagorean fuzzy AHP method, which is a fuzzy Multi-Criteria Decision Making (MCDM) approach, is applied to calculate the weights of the criteria. According to the results of the method, it is revealed that the most important main sustainability criterion is economic (0.5217). Based on the computed results, the most important criteria are ranked as number of foreign tourists visited (0.1223), total income generated (0.0988) and level of economic contribution to local wealth (0.0916), respectively. The aim of this study is to contribute to the determination of qualifications in the creation of cultural heritage management strategies. © 2024 The Authors.
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    Evaluation of major cities in terms of smart cities: A developing country perspective
    (Elsevier B.V., 2023) Tas, Mehmet Ali; Alptekin, S. Emre
    Today, slightly more than half of the people live in urban areas and this rate is increasing over the years. The enormously rising population in cities brings with it numerous problems that need to be deeply addressed. New approaches are required in solving many issues such as the management of scarce resources in the city, and the access of city residents to clean air and water. The smart city concept, which freshly emerged with the approach of adapting advanced technological facilities to city administrations, may be able to assist to cope with these problems. The levels of embracement and implementation of the smart city concept play a fundamental role in the well-being of people living in urban areas. Measuring smart city performances, especially in metropolitan cities, can guide the management of local or national investments to improve society's quality of life. In this study, the smart city performance assessment of 30 metropolitan municipalities in Türkiye using a two-stage methodology is included. The scores of smart city index indicators determined by the literature review for Türkiye were calculated using MEthod based on the Removal Effects of Criteria (MEREC), which is a recent multi-criteria decision-making (MCDM) approach. In the second part of the methodology, 30 metropolitan municipalities were ranked based on weighted criteria using another MCDM approach Measurement Alternatives and Ranking according to the COmpromise Solution (MARCOS). The methodology is compared with different MCDM approaches. As a result of the study, it has been revealed that the best city according to the methodology is Istanbul. Also, Antalya, Izmir and Konya have also been among the prominent cities with high smart city scores. The aim of this study is to contribute to the analysis of the issues where the investment should be focused on by measuring the smart city performances of metropolitan cities. © 2023 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0)
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    Investigating Smart City Applications: A Case Study from Istanbul
    (Springer International Publishing Ag, 2024) Tas, Mehmet Ali; Alptekin, S. Emre
    The smart city concept stands for a sign of progress towards improving the quality of urban residents' lives, improving urban infrastructures and promoting sustainable development. Smart city applications contribute to the deployment of comprehensive management strategy models that prioritize sustainability and agility as well as the use of technology. Smart city projects can facilitate create solutions to achieve the Sustainable Development Goals (SDGs). Smart mobility applications can be used to achieve SDG11, especially Sustainable Cities and Communities. International and national organizations are investing in many smart city projects in Istanbul, Turkiye's most populous and economically prominent city. This study includes the evaluation of smart mobility projects associated with SDG11 in Istanbul. Five smart mobility projects in the database of the Istanbul Metropolitan Municipality are ranked taking into account six determined criteria. The feedback of decision-makers is utilized in the assessment of projects. The linguistic responses of decision-makers are incorporated into the fuzzy AHP-MARCOS method, a multi-criteria decision making (MCDM) model using Pythagorean fuzzy numbers. This study aims to contribute to the analysis of smart city applications.