• Proceedings of the Korean Operations and Management Science Society Conference
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• 2001.10a
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• pp.143-146
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• 2001

본 연구는 생산-운송시스템에서 수요자와 생산시설 및 운송네트워크이 주어질 경우 최소의 비용으로 고객을 지원할 수 있는 시스템의 결정을 위한 GIS(Geographic Information System) 기반의 차량 운송시스템의 연구이다. 주요 결정 변수는 생산공장의 위치, 운송네트워크, 운영할 창고 및 재고유지수준 등이 포함된다. 본 연구에서는 다-품목 생산 및 공급문제를 비 선형문제로 정식화하고 이를 선형문제로 변환하여 정수계획문제(IP)로 해를 구하였다. 이를 위한 전산 프로그램을 개발하고 예제들을 응용하고 그 결과를 보였다.

• Proceedings of the Korea Information Processing Society Conference
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• 2008.11a
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• pp.315-317
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• 2008

현재 내비게이션, 물류, 지도기반 매쉬업등 공간 데이터를 활용한 다양한 응용서비스가 활용되고 있다. 또한 향후 유비쿼터스 환경에서는 모바일 환경에서 공간 데이터 및 센서를 활용한 서비스들이 출현할 것으로 예상된다. 그러나 현재 모바일 GIS 시스템들은 유비쿼터스 환경에서 발생하는 다양한 데이터들을 처리해주지 못하고, DBMS기반이 아니라 유연성이 부족하다는 문제점이 있다. 이 논문에서는 이러한 문제점을 해결하기 위해 모바일 u-GIS 데이터 처리 시스템을 제시하고자 한다.

• Journal of the Korean earth science society
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• v.22 no.6
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• pp.491-499
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• 2001

Generally, several hydrological characteristics which can be obtained from geographic processing in GIS S/W would be utilized to actual hydrological applications such as landslide stability or drainage analysis. Furthermore, by using practical GIS extension programs, it can be possible that automatic extraction task of those information, which was time-consuming and complex processing, is performed as systematical and automatic processing. In this study, using ArcView GIS S/W and its extensions concerning hydrological processing, some waterflow and surface factors in the area of Yemi sheet scaled 1:50,000 were extracted. Then, assessment of landslide stability, determined by DEM-based variables were carried out in order to investigate practical applicability of extension programs. It is thought that several hydrological factors extracted by this study were significant information to predict field model or hydrological hazardous events. It also reveals that landslide potential is overall stable with stability index mapping and S-A plot, with theoretical basis. This methodology can be applicable to other areas related to hydrological characteristics with measurements in fields.

• Tunnel and Underground Space
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• v.12 no.4
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• pp.284-290
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• 2002

Over the past few decades, a considerable number of studies have been conducted on GIS(Geographic Information System) to process spatial date. As GIS comes to be used in many fields and used by many people, Web GIS which is a GIS system used on the internet, was proposed as a good tool to maintain the need. There is an increasing demand for Web GIS to provide more opportunity for users to manage and to analyze geotechnical data. This study mainly focused on the design and application of Web GIS particularly with geotechnical data, including design of efficient database structure for borehole data. A practical application of the Web GIS to tunnelling site has been successfully completed by the design of several analytical functions.

• Proceedings of the Korean Institute of Navigation and Port Research Conference
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• 2022.11a
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• pp.321-322
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• 2022

In this study, the marine environment is measured and analyzed in real time through the X-band radar installed on the rooftop of the Sokcho Beach administrative Welfare Center and Ulleungdo. Afterwards, the goal is to transmit the analysis results to the client PC. Using electronic maps and electronic navigational charts, the measurement results are overlaid on GIS (spatial information system), real-time data are shared through a website, and information is displayed through a web server. Currently, CCTV information and marine environment information are displayed on the website, but various application studies such as the use of Open AP I will be conducted in the future.

• Proceedings of the Korean Society of Computer Information Conference
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• 2015.01a
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• pp.195-196
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• 2015

최근 들어 웹기반 GIS 시스템에 대한 요구가 늘어나고 있다. 이를 만족시키기 위해 관련 시스템 개발에 대한 연구가 많이 진행되고 있다. 그러나 웹 기반이라는 제약 때문에 대용량 데이터를 이용한 GIS 표출은 한계에 다다르고 있다. 본 논문에서는 위치 정보를 압축하여 웹기반 GIS 시스템의 제약을 줄일 수 있는 알고리즘을 제안하려 한다. 제시된 기법은 웹기반 GIS 시스템은 물론 다양한 모바일 및 웹 그래픽스 분야에 응용될 것으로 예상된다.

• Spatial Information Research
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• v.1 no.1
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• pp.89-94
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• 1993

GIS was appl ied for analysis of the potfnt ial degree of regional geologic hazard, expecially landslide, in the suburb of Seoul city. Potential elements causing a landslide are geology, slope geometry, groundwater, soil property, rainfall and vegetation etc. These factors were incorporated through GIS in order to predict the potential hazards, and to produce a regional geologic hazard map in the study area, For this study, ARC/INFO and ERDAS systems were used in SUN4-390 workstation.

• Spatial Information Research
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• v.13 no.3 s.34
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• pp.221-237
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• 2005

This study attempts at building a GIS computing environment that incorporates object-relational spatio-temporal database for the time geography model with space-time path, space-time prism and space-time accessibility. The proposed computing environment is composed of ( i ) mobile GIS application for collecting spatio-temporal trajectory data of an individual, ( ii ) spatio-temporal database server that includes time geography model, and (iii) geovisualization client that performs time geographic queries to the spatio-temporal database. The spatio-temporal trajectory data collected by GPS-PDA client is automatically processed and sent to server through data management middleware. The spatio-temporal database implemented by extending a generic DBMS provides spatio-temporal objects, functions, and SQL. The geovisualization client illustrates 3D visual results of the queries about space-time path, space-time prism, and space-time accessibility. This study confirms the possibility of integrating mobile GIS and DBMS for time geography model, and it presents the appropriate database model with spatio-temporal objects and functions that may handle very large data for time geography application.

• Journal of the Korean Association of Geographic Information Studies
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• v.5 no.4
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• pp.35-44
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• 2002

Although GIS technology has been developed rapidly, the education system for GIS technology and its utilization has not been well facilitated in our society. Consequently, the economic value in GIS application system is not estimated properly in the public sector. On the other hand, industries currently suffer lack of technocrats or researchers to develop GIS. In addition, the demand for GIS education on its concept and know-how has increased drastically as GIS analytic technology has come to be applied to more varified fields. Under these circumstances, this study researched and analyzed the current state of GIS education in the public, private and academic sectors in Korea. Furthermore, it recommended improving the educational environment for GIS experts training based on the results of the questionnaire used in the survey. Most of all, the national investment should be conducted systematically in order to improve quality of education in the public, private and academic sectors.

• Spatial Information Research
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• v.7 no.2
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• pp.237-253
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• 1999

Seoul metropolitan government has produced fundamental digital map products and developed various GIS applications for years according to the GIS implementation plan established in 1995. However, the city's recent organization restructuring and prioritized large scale database construction projects for unemployed workers have changed the original GIS implementation schedule. The information strategy plan for the Seoul metropolitan government that represents development and use of common organization -wide database and seeks for providing high quality information services for citizens also require reestablishing the city's GIS implementation strategy. This paper discusses a new implementation strategy and suggests conceptual system architecture for the Seoul metropolitan government's GIS in order to implement a comprehensive urban information system(UIS) based on contemporary GIS technologies.