• Title/Summary/Keyword: National GIS development

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A Study on Country Profile of Land Administration Domain Model for Mongolia (몽골 토지행정도메인모델의 국가 프로파일링에 관한 연구)

  • Munkhbaatar, Buuveibaatar;Kim, Moon-Gie;Koh, June-Hwan
    • Journal of Cadastre & Land InformatiX
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    • v.48 no.1
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    • pp.55-70
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    • 2018
  • The field of cadastre and land administration is susceptible to changes in technological development and requires a robust system to respond. In Mongolia, there is a need for a future-oriented and robust cadastral system to cope with these changes. Therefore, this study chose the Land Administration Domain Model (LADM) which is created by the International Organization for Standardization(ISO), and analyzed for its application to the cadastral system of Mongolia. For the application of LADM for Mongolia, we analyzed four packages and each class of LADM based on characteristics of Mongolia's cadastral system and cases of countries applying LADM. As a result of this analysis, we have completed LADM national profiling in Mongolia and proposed the possibility of applying LADM. In the future, based on this research, application of LADM will play an important role in Mongolian cadastral system where the current data model standardization is not established and is useful as a reference model.

Analysis of Application and Economical Efficiency on Next Generation Digital Maps on Demand Updating System (차세대 수치지도 수시갱신 시스템의 활용성 및 경제성 분석)

  • Lee, Hyun-Jik;Park, Ki-Suk;Park, Chung
    • Journal of Korean Society for Geospatial Information Science
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    • v.17 no.2
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    • pp.133-143
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    • 2009
  • Next Generation Digital Maps on demand Updating System is a system for setup of efficient on-demand updating system, keeping up-to-date data and conducting high-quality service and efficient management. The system is designed that object-based continuous Digital Maps may have on-demand updating available, as well as the exiting feature-based digital maps, and the relevant development is being done. This study presented some problems and improvement plans related to the system operation, by means of implementing object-based continuous Digital Maps and feature-based digital maps updating test, for the next generation digital maps on demand updating system, in order to contribute to present plans to apply next generation digital maps and to secure competitiveness. And, for the economical efficiency of the next generation digital maps on demand updating system, this study analyzed expenses and benefit resulted from introduction of on demand updating system for 1:5,000 digital maps, intended for National Geographic Information Institute. and the land category which have an effect on the officially assessed land price and it using GIS technology.

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Development of Vehicle Emission Model with a High Resolution in Time and Space (${\cdot}$공간적 고해상도 자동차 배출량 모형의 개발)

  • Park, Seong-Kyu;Kim, Shin-Do;Park, Ki-Hark
    • Journal of Environmental Health Sciences
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    • v.30 no.3
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    • pp.293-299
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    • 2004
  • Traffic represents one of the largest sources of primary air pollutants in urban area. As a consequence, numerous abatement strategies are being pursued to decrease the ambient concentration of pollutants. A characteristics of most of the these strategies is a requirement for accurate data on both the quantity and spatial distribution of emissions to air in the form of an atmospheric emission inventory database. In the case of traffic pollution, such an inventory must be compiled using activity statistics and emission factors for vehicle types. The majority of inventories are compiled using passive data from either surveys or transportation models and by their very nature tend to be out-of-date by the time they are compiled. The study of current trends is towards integrating urban traffic control systems and assessments of the environmental effects of motor vehicles. In this study, a model of vehicle emission calculation by using real-time traffic data was studied. Traffic data, which are required on a street-by-street basis, is obtained from induction loops of traffic control system. It is possible that characteristics of hourly air pollutants emission rates is obtained from hourly traffic volume and speed. An emission rates model is allocated with a high resolution space by using geographic information system (GIS). Vehicle emission model was developed with a high resolution spatial, gridded and hourly emission rates.

Child-Care Infrastructures and the Perception of Community Family-Friendliness : Parents with Young Children in 25 Provinces in Seoul (보육서비스 인프라가 영유아 부모의 지역사회 가족친화성 인식에 미치는 영향 : 서울시 25개 구를 중심으로)

  • Yoo, Jae-Eon;Chin, Meejung
    • Journal of Families and Better Life
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    • v.31 no.3
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    • pp.63-79
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    • 2013
  • The aim of this study was to investigate the influence of family-friendly community policy and child care policy on parents with young children. Particularly, two specific questions were addressed: 1) Were there differences in the perception of community family-friendliness among parents with young children in Seoul provinces? 2) Were there differences in the perception of community family-friendliness among parents with young children, depending on child-care infrastructures in Seoul provinces? Data for this study were drawn from multiple sources. Individual-level indicators were drawn from the survey of 1,246 parents with children under age 6 in Seoul. Community-level indicators were drawn from the 2011 Seoul census data. Frequency, descriptive statistics, GIS mapping, and hierarchical linear model analysis were conducted to examine the perception of community family-friendliness by individual, child-care infrastructures, and the community at large. The major results of the present study are as follows: The perception of parents on community family-friendliness varied across the 25 provinces in Seoul. The perception of community family-friendliness was positively related with the total number of child day-care centers, and the number of infant-toddler child daycare centers. The number of accredited child daycare centers was negatively associated with the perception of community family-friendliness.

Development of Kwangju Tourism Information System on the Basis of GIS (GIS를 기반으로 한 광주시 관광정보안내시스템의 개발 연구)

  • 김항집
    • Spatial Information Research
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    • v.9 no.2
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    • pp.277-290
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    • 2001
  • In 21st century, tourism can's be formed without tourism information systems. Like other cities Kwangju Met. City has managed tourist information system though internet, but it provide tourist only with poor information as text datum and image datum. Therefore tourist can's get the effective and proper tourism information about Kwangju from that system. The purpose of this paper is to develop tourism information system on the basis of geographic information system for providing tourist with effective geographic tourism information. In the first place, spatial database on tourism information about Kwangju was built by 3 stage of areal scope: national scale, provincial scale and city scale. Next, by analyzing existing tourist information system, 4 major system function is developed: viewing tourism map, guiding tourism information, searching tourism information and printing tourism map. By complement of multimedia datum, this system shall be a major tourism resource of Kwangju.

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Development of Cross Section Management System in Tunnel using Terrestrial Laser Scanning Data (지상 레이저 스캐닝 자료를 이용한 터널단면관리시스템 개발)

  • Roh, Tae-Ho;Kim, Jin-Soo;Lee, Young-Do
    • Journal of the Korean Association of Geographic Information Studies
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    • v.11 no.1
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    • pp.90-104
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    • 2008
  • Laser scanning technology with high positional accuracy and high density will be widely applied to vast range of fields including geomatics. Especially, the development of laser scanning technology enabling long range information extraction is increasing its full use in civil engineering. This study taps into the strengths of a terrestrial laser scanning technique to develop a tunnel cross section management system that can be practically employed for determining the cross section of tunnels more promptly and accurately. Three dimensional data with high density were obtained in a prompt and accurate manner using a terrestrial laser scanner. Data processing was then conducted to promptly determine arbitrary cross sections at 0.1meter, 0.5meter and 1.0meter intervals. A laser scanning technique was also used to quickly and accurately calculate the overbreak and underbreak of both each cross section and the entire tunnel section. As the developed system utilizes vast amounts of data, it was possible to promptly determine the shape of arbitrary cross section and to calculate the overbreak and underbreak more accurately with higher area precision. It is expected, therefore, that the system will not only enable more efficient and cost effective tunnel drilling management and monitoring but also will provide a basis for future construction and management of tunnel cross section.

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Analysis of the Change in Density of Development And Environmental Restrictions Conflict Prediction in Pyeongchang (개발 밀도의 변화 분석과 환경규제 갈등 예측 -평창을 사례로-)

  • Bae, Sun-Hak
    • Journal of the Korean association of regional geographers
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    • v.15 no.2
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    • pp.282-291
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    • 2009
  • This research predicts the spatial discord which relates with a restriction using 1915 and 2005 spatial data. In this research, difference of relative spatial density is measured and predicted the discord which relates with an environmental restriction in Pyeongchang. First, research area Pyeonchang's relative crowding degree of the building was strengthened from 1915 to 2005. When classifies a change type, formed the strong hold with new regulation and grew types and at the strong hold where contiguous concentration is progress types, general the influence weakening types and the change almost nil types. The next is the result which analyzes the long and short terms discord for the environmental restriction which is forecast from the research area. That is forecast with the fact that the discord between of development and preservation will be big with long and short terms in Jinbu-Myeon, Pyeongchang-Eup city center angles and 31 national road circumferences. And in Daegwanryeong-Myeon the discord is big short-term but with the fact that the discord will be weakened long-term. Bangrim-Myeon, now the discord is weak but the discord will be strengthened long-term. This result could be applied with fundamental data for weakening the spatial discord of the area.

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Strategies for Cyber Territory Construction (사이버국토 구축전략에 관한 연구)

  • 김영표;한선희
    • Spatial Information Research
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    • v.10 no.1
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    • pp.1-14
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    • 2002
  • Due to the rapid development in information technology, countries of advanced information technology and multi-national information communication industries have expanding their invesment in constructing a cyber territory or a cyber city, and even a cyber globe that combines the real world with the cyber world. As such, in order to keep up with the competition with other countries to secure the Invisible Continent, Korea cannot afford to fall behind in the preparation and efforts to construct a cyber territory. Therefore in preparation for the inevitable establishment of a cyber territory, this study defined the concept of a cyber territory clearly and proposed a promotional strategy needed by the government for the establishment of a cyber territory. A cyber territory is 'the dynamic second territory that realizes various values in various aspects through organically combining innumerable active bodies in a surreal space and that are created by systematically and optimally connecting the physical topographical space and activity of the first nation to the cyberspace'. To explain further, a cyber territory is defined as another simulated space not only to manage the land systematically and deal with administrative services far the greater population, but also to contain economic activities of corporations and the citizens' everyday lives in a virtual reality by digitizing the entire territory including even the sea. In order to establish such cyber territory, it is necessary to revise related laws and policies, to foster related technology and industry as a main engine for national development, to promote public awareness, and to train related human resources.

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Development of the Integrated Management System of the Control Points (기준점 통합관리시스템 개발)

  • Lim, In-Seop;Lee, Jae-Kee
    • Journal of Korean Society for Geospatial Information Science
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    • v.12 no.4 s.31
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    • pp.45-51
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    • 2004
  • Control stations managed by national and local governmes are associated with other survey work and constructing geography information and they are important assets in the national level as the positional standard of the country. Since these control points are managed as some type of register and the control points could not be easily updated due to the loss of control stations from construction work or urban development. Therefore, the users could not understand the present situation of the changed control stations. In this background, the aim of this study was to develop control station management system which the managers can use to efficiently maintain control points and to support the usage of the survey control points. For developing this system, we have designed input, update, network, analysis and statistic functions, and have constructed the system using Mapobject as main engine with other languages such as Visual C++ and Visual Basic. The graphic data used in this system are 1/5,000 digital map and digital cadastral map, and the attribute data of each control station are point name, map tile name, longitude and latitude coordinates, TM coordinates, surveying data with the format of year-month-day and control situation photos and so on. In the result of constructing this control station management system, we could achieve integrated management of graphic, attribute and positioning information of each control station.

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Development of a River Maintenance Management Technology Related with National River Management Data (국가하천관리자료와 연계한 하천유지관리 기술개발)

  • Jo, Myung-Hee;Kim, Kyung-Jun;Kim, Hyun-Jung
    • Journal of the Korean Association of Geographic Information Studies
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    • v.15 no.1
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    • pp.159-171
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    • 2012
  • This study has developed a technology for river basin including the management of the data related with riverbed and the analysis of the riverbed maintenance based on the high-resolution imagery data and LiDAR (Light Detection and Raging) in order to enhance the utilization of river management by using RIMGIS(River Information Management GIS) and to acquire the advanced operation for river management. Using the detailed river topographical map specially designed in the form of LiDAR or high-resolution images, riverbed data and river bank channel information that are dynamically changed were informationized and established in the RIMGIS DB. At this stage, a monitoring techniques that is established in the river management system associated with RIMGIS and minimized the impact of riverbed maintenance (fluctuations) has been studied. In addition, functions and data structure of RIMGIS containing the information of geography and management of the river have been supplemented to make an improvement of the real-time management of the river. Furthermore, a technology that is capable of supplementing RIMGIS has been developed, making it feasible to maintain the river in use of structural method including an structural scheme of cross-section of the river by providing the information of riverbed and cross-section of the river. This is considered to solve an issue of insufficient data on accuracy and based on a lack of information of the river based on the two-dimensional lines, making it feasible to (steadily) improve the function of RIMGIS and to operate management tasks. Therefore, it is highly expected to enhance aforementioned technology of the river information management as a great foundation that maximizes the utilization of the river management to support RIMGIS for the development of national river management data.