Abstract. Cities are facing numerous challenges because of the unprecedented growth of population all over the world. In this context, smart city stands out as a viable option to improve quality of life. Smart city, with its ability to transform the information into economic, social and environmental benefits, offers acquisitions in the fields of sustainable development, competitiveness and environmental sustainability. However, the cost of implementing and maintaining smart city applications on a large scale reveals the necessity to choose the right smart city application at the beginning of smart city transformation. In order to determine which smart city application should be used in smart city domain, the current situation and needs of the city should be analysed effectively. Maturity assessment can be used as a tool to understand the existing conditions of a city. In this study, Turkey's smart city approach will be addressed and Smart City Maturity Assessment Model of Turkey will be introduced with the preparation and implementation process. Consequently, the impact of the Smart City Maturity Assessment Model on selection of smart city applications will be discussed with the result of maturity assessment which is implemented on 4 cities of Turkey.

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Bu makalede, katılımcı bir yaklaşımla güncellenen Türkiye Ulusal Coğrafi Bilgi Sistemi (TUCBS) Projesi 'ulaşım' coğrafi veri teması incelenmektedir. Ulaşım teması örneğiyle veri yönetiminde literatürdeki farklı yaklaşımlar irdelenmiş, ilgili kurumların veri üretim ve paylaşım durumu yapılan anket çalışması ile analiz edilmiştir. Bu çalışmada aynı zamanda 2013 yılında belirlenen TUCBS ulaşım teması ile katılımcı yaklaşımla 2018'de güncellenen tema arasındaki benzerlikler ve farklılıklar da tespit edilmiştir. Güncellemeler kapsamında detay tipi (nesne tipi) sayısının 50'den 131'e çıktığı, ön tanımlı veri tablosu (codelist) sayısının 33'ten 42'ye çıktığı, 26 tane nesne tipinin ve 17 tane ön tanımlı veri tablosunun da her iki çalışmada ortak olduğu tespit edilmiştir. Katılımcı bir yaklaşımın coğrafi veri altyapılarının güncellenmesinde gerekli olduğu, ancak halen istenilen düzeyde olmadığı da görülmektedir. Ulaşım temasıyla ilgili tüm paydaşların ortak aklıyla belirlenen standartların daha işlevsel olacağı ve hızlıca uygulamaya konulabileceği değerlendirilmektedir.

Abstract. The population of cities is increasing rapidly day by day, and it is predicted that this increase will continue in the following years. Accordingly, population growth creates a significant pressure in many different domains of cities such as infrastructure, traffic, energy, and environment. Smart cities come forward as a useful option to struggle with the pressure on cities caused by overwhelming population growth and to make cities liveable and sustainable. Smart city approach creates gains in the fields of sustainable development, competitiveness and environmental sustainability with its ability to transform information into economic, social and environmental benefits. However, smart city services and applications are mostly designed as independent and unrelated units so this approach causes isolated and heterogeneous data and technology islands. As the result, data flow problem occurs between vertical applications and service suppliers, and this interoperability problem causes emergence of independent silos in smart cities. Such silos hinders data integration, prevent citizens and public administrations benefit fully from smart cities, and cause vendor lock-in. In order to use the full potential of smart city approach, it’s vital to secure interoperability systems and applications of smart cities. In this study, interoperability terms and their necessity for smart city ecosystem will be addressed. Afterwards, Smart City Interoperability Model’s (SCIM) contributions to semantic, technical and operational interoperability will be discussed.

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