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윤재각,이동민,이만형 한국지역개발학회 2012 한국지역개발학회 세미나 논문집 Vol.2012 No.1
The public facility must be established in the urban development process for a public interest and public facility essentially. However, because of the tight financial situation and profit problem, public sector is impossible for government to assume the all costs. According to an insufficient budget and principle of beneficiary charge, the people hold the charge of its establishment rather than the public sectors. It is fact that private sector charge excessive budget for infrastructure facilities. It causes problems ; growing of costs, increasing the period, business interruption, and parcel price, etc. Judging from this point of view, these factors bring out conflict between the administrative organizations and private people in an urban development process. In this study, analysis of business value through the Business Size, scale and costs of regional gratuitous conveyance of public facilities properties and correlation, and using it the most desirable urban development projects are reviewed to contribute to the activation.
최준영,윤재각 대한공간정보학회 2017 Spatial Information Research Vol.25 No.4
Car sharing service for public rental housing in Korea, Happy Car, has increased the mobility for the residents and used as transportation welfare in the era of sharing economy. However, the car sharing service operator for rental housing have needed to improve the services more efficiently and access easily to public transportation but have difficulties in geocoding, analyzing and geovisualizing the large volume of disaggregate data in the services. Therefore, it needs a correlation analysis between rental housing car sharing usage patterns and public transportation accessibility by processing this big volume of data. In this study, we used the sharing car’s GPS data in the 45 rental housing districts in Seoul Metropolitan Area and the transportation card transaction data and analyzed the correlation between car sharing service and the supply level of public transportation. To handle the large volume of spatial location data and the card data during the analysis, we used Spatial Big Data platform to process this spatially referenced Big Data in a parallel distributed way. From the spatial analysis, the level of public transportation supply doesn’t affect the use pattern of sharing car in the rental housing and low income rental housing district households showed the longest moving distance. In terms of analytical functions of the Spatial Big Data platform, spatial computation through the platform such as the buffering analysis used for the accessibility analysis of the public transportation was found to be efficient in repetitive spatial operations of the massive amount of data.