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The purpose of this study is to derive city service data that can improve the efficiency of urban management when integrated management and analysis among existing city service data of large cities and to analyze their integration priorities. Through this, we sought ways to evolve existing cities into data-driven smart cities. The case of this study is Goyang city where more than 1 million citizens live. The research methods are case analysis and in-depth interviews. The contents and types of 118 kinds of information systems and city services operated by Goyang City were analyzed, and two-level in-depth interviews were conducted for 36 department officials who operate them. Based on this, the priority of urban service data integration was derived by analyzing the degree of ease and demand for city service data integration. As a result, the high level of priority for integration among city service data was education, crime prevention, living environment, disaster prevention, and public transportation management. Therefore, it is better to consider the integration of city service data by prioritizing education, crime prevention, disaster prevention, living environment, and public transportation management when building infrastructure such as data hub center to build the foundation of data-driven smart cities.

This study quantifies the different roles of neighborhood physical environments with different spatial boundaries on residential satisfaction of rental households in social-mix apartments. Employing public rental housing survey in Seoul(2016), this study specifies three ordered logit models by neighborhood spatial boundaries(400m, 800m, 1200m). The results showed that, in 400m model, explanatory power(r-square) was the highest(18.4%) and the relative importance of land-use mix(OR=2.063) was the highest among the neighborhood physical environments. While the statistically significant influence of land-use mix was found only in 400m model, the significant influence of police-station was not in 1,200m model(p<0.05). Therefore, it is recommendable that social-mix apartment should be located in the walkable areas with the high level of land-use mix in order to improve residential performance of rental households.

The purpose of this study is to clarify the generalized structure of the relationship between the conversion rate of jeonse to monthly rent, the jeonse to price rate and the capitalization rate in the housing rent and jeonse market and how they interact in the structure. The structure of these relations was expressed mathematically through provisions on the recognition of rental income with the lease balance theory as a premise. The product of the jeonse to price rate and conversion rate of jeonse to monthly rent is the cap rate, the jeonse to price rate is an indicator reflecting the rental riskp remium, and conversion rate of jeonse to monthly rent is the expected rate of return as the sum of the market interest rate and the rental risk premium. And the cap rate is always determined by the market interest rate. Through these relationships, regardless of the rental system, rental income is returned to the capital to derive an appropriate value. The Jeonse and rent with deposit market is explained in the same structure as the pure monthly rent market, and furthermore, since it is linked to a reasonable price (value), it can be uniformly described as a housing market. Therefore, the jeonse system can be said to be a modified rental method that works in a generalized value-determining structure, not in a unique market unique to Korea, and can be uniformly explained with the market for sale and rental.

This study analyzes both locations and demands for preschool in the city of Jeonju, Jeolabuk-do, Korea through measuring the accessibility to preschools within the city and then addresses the issue of its spatial disparity. In order to deal with this problem, this paper calculates the index of its accessability using 2-Step Floating Catchment Area(2SFCA) and network analysis. Then, the level of accessibility is divided into five categories: Level 1(Highly Satisfactory), Level 2(Satisfactory), Level 3 (Accessible), Level 4(Accessible but Deficient), and Level 5(Not Accessible). Finally, the measures and policies appropriate for each level are made to solve inadequate distribution. The results are as follows. While the ratio of supply to demand is more than 70% in total, demands within Level 1 and Level 2 category accounts only for 25.2% out of the total demand, showing that there is serious inadequate distribution and spatial disparity. Therefore, it is recommended that the areas categorized Level 1 and 2 are appropriate to maintain the current preschool services. However, the areas in Level 3 should enhance its accessibility and the regions belonging to Level 4 should try to make accessibility improvement as well as capacity expansion of preschools. Lastly, the areas in Level 5 should provide additional preschools to satisfy its basic demands.

The purpose of this study is to analyze the effects of reducing particulate matter (PM) and air pollution levels by the pilot operation of vehicle rating system which was recently implemented in the Green Transportation Zone of Seoul. Differences-in-difference models are used as to analyze the reduction effect. PM and air pollution data are used as dependent variables; and meteorological, traffic, calendar day data as control variables. According to model, PM10 levels decreased by 2.357㎍ /m³ and PM2.5 by 1.8㎍/m³ during the pilot operation. Also, NO2 levels went down by 0.00755ppm. Findings of this study confirms that limiting vehicles that discharge air pollutants in the city helps keep PM and air pollution levels lower. The accomplishments in the pilot operation may provide positive expectations towards the actual operation of the policy.

The barrier-free living environment will continue to expand in the future to increase the elderly population and realize welfare. Since 2015, BF certification is mandatory for public buildings ordered by national and local governments, and a living environment free of obstacles has been realized in earnest. However, the problems presented in the actual BF certification process suggest that a lot of system improvement is necessary. First of all, the BF certification system itself is not established in detailed regulations, etc., and the level of recognition is low for related stakeholders. In addition, despite the preliminary certification procedure before the main certification after completion of construction, the additional operation cost burden occurs as it is operated formally. In the future, it is necessary to improve these practical issues.

A study on consumer use behavior in commercial gentrification District. There is a consumer class who is searching for a new commercial district and a consumer class who cooperates with it. I tried to confirm this phenomenon empirically. For consumer segmentation, a hierarchical cluster analysis was conducted, and the consumers were classified into seven consumer groups, namely, conspicuous, nomadic, playful, subjective, conformity, logical and conventional groups. They were then largely divided into innovative, liquid and wait-and-see consumer groups based on the place selection propensities and SNS usage patterns. First, The initial visitor group, which consists of first mover, who finds a new space, and fast followers who follow it blindly, accounts for about 15% of the total. Second, the floating visitor group is most common and expected to account for 60% of the total. Third, the wait-and-see visitor group is not significantly influenced by the social atmosphere and accounts for about 25% of the total. I Analyzing and utilizing hierarchical consumption patterns in terms of placemarketing will be a means to revitalize the local economy.

According to empirical analysis, five independent variables have significant influence on the "quality of life satisfaction" in the order of “public health”, “local economy”, “information and communication”, “social welfare”, and “residential environment”, which can increase “quality of life” in the era of the fourth industrial revolution. Among the five independent variables, “public health” was the most important factor than “information and communication”, which is the basis for the era of the fourth industrial revolution. The policy implications are as follows: As variables to improve satisfaction in quality of life have changed in the era of the fourth industrial revolution due to the recent influence of MERS, Corona 19, and climate change, policy design based on resource selection and concentration strategies is needed more than anything else for “public health”, “regional economy”, “information and communication”, “social welfare”, and “residential environment”. In addition, it will be important to secure execution power by presenting a mid- to long-term roadmap for limited human and material resources to enhance urban competitiveness.

The purpose of this study is to recognize institutional effectiveness of newly introduced ‘community plan’ as an intermediate level between master plan and local plans to systematically manage urban space. Literatures on master plan and community plans including planning theories are reviewed. Community plans of Seoul are examined in the aspects of institutional processes, their structures and components. Finally, AHP analysis is conducted for urban planning professionals and the results are understood by in-depth interviewing. AHP analysis describes institutionalization necessity of community plans, significance of their components and effectiveness of their implementation by comparing them to each other two at a time. According to the result of AHP analysis, it is shown that needs of intermediate planning and locally adhering planning have high significance of 0.248 and 0.229 in terms of institutionalization necessities of community plans. Public utilities and community center gained the best scores of 0.289 and 0.234 in planning compositions. Effectiveness of implementation shows high significances for planned spatial management with 0.263, urban planning committee’s criteria with 0.228 and promotion of public concern with 0.224. As the results of this study, it is recognized that experts regard community plans as considerable accomplishments in the views of intermediate, locally adhering and participative plans and required constituents of urban planning system for the future. Although community participation gains the lowest significance in the AHP analysis, it is remarkable that participations in community plans are differentiated from previous planning due to their massive scales and procedures.