Currently, the efforts of many cities around the world, including Seoul, are aimed at transforming themselves into smart cities under a governance vision. Thus, the purpose of this study is to propose a reinforcement plan for the ’Smart Seoul’ portal to develop into a cooperative, participatory, and network governance. We select four representative smart city portals from Barcelona, Amsterdam, Columbus, and Singapore and evaluate their main features and roles. We sort the features analyzed in each portal based on certain governance strategies, employing their key features as part of our evaluation criteria model. These evaluation criteria are used to analyze the ‘Smart Seoul’ portal and create a strengthening plan. The plan comprises a set of actions intended to improve the portal’s capabilities in terms of disclosure of information, the participation of stakeholders, and civil petition services. When this plan is implemented, the resulting optimal information disclosure through the ‘Smart Seoul’ portal will ensure the transparency of Seoul’s administration and create an environment in which citizens can actively participate in solving urban problems and making decisions. In addition, the results of this study will be an important guideline for the design and operation of smart city portals, and the catalogs for key features are expected to be used to make smart city portal design regulations in the future.

The rapid economic growth of Korea was accompanied by the side effect of disproportionate growth between regions. The central government has implemented balanced development strategies by enacting the Special Act on Balanced National Development. For example, central administrative institutions were relocated to Sejong-si, which was built as the administrative capital. This study examines whether the top-down strategy promoted balanced growth between regions using public big data. We use various indicators to pay attention to not only quantitative growth, such as population size and economic growth, but also qualitative growth, such as life satisfaction. The results show that, despite the government’s efforts, the population was concentrated in the major metropolitan areas and the economic gap between regions did not narrow. While metropolitan areas achieved steady growth based on the preemption of spatial competitiveness, non-metropolitan areas did not take advantage of more investment from government. However, it shows a significant increase in job creation in Sejong-si, suggesting it is more efficient to move institutions in groups than to completely disperse public institutions in the balanced development strategy. In terms of the quality of life, Sejong-si had the lowest personal life satisfaction and local life satisfaction, indicating that the top-down strategy has failed to manage the quality of life. We propose that promoting a compact city with multiple functions in the non-metropolitan areas will help balance development. To achieve a better quality of life, centralized power should be transferred to local governments, and policies should be built based on communication with local residents. Innovative and sustainable policies that efficiently utilize the uniqueness and potential of the region are needed for balanced growth.

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The Korean government released the National Spatial Data Infrastructure Portal (NSDIP) by integrating the spatial information possessed by 205 agencies to implement governance through the portal. In this study, four evaluation criteria groups (disclosure, participation, civil petition service, and website usability) were established through a literature review related to governance and government portals. After evaluation based on the four evaluation criteria, governance improvement measures were suggested. As an improvement measure, in terms of information disclosure, it was necessary to manage the quality of data update cycle, accuracy, metadata, etc., and to provide customized spatial information. In the stakeholder participation section, feedback from users is reflected in policies, and activation of participation spaces through education and exhibitions is required. In terms of civil petition service, it is necessary to introduce an incentive system to improve innovative services and to prepare measures to prevent infringement of security and privacy in the civil petition process. In website usability, it is necessary to prepare an improvement plan by introducing user-friendly interface design using GIS viewer, and statistics and GIS spatial analysis functions. The improvement plan by the evaluation criteria is expected to be the direction to implement inclusive portal governance.