• Title/Summary/Keyword: Geographic Information System

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A Study on Distribution of Small Hydropower Resources Using GIS (지리정보시스템을 이용한 소수력자원 분포 연구)

  • Park, Wansoon;Lee, Chulhyung
    • 한국신재생에너지학회:학술대회논문집
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    • 2010.11a
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    • pp.203-203
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    • 2010
  • Small hydropower is one of the many types of new and renewable energy, which South Korea is planning to develop, as the country is abundant in endowed resources. In order to fully utilize small hydropower resources, there is a need for greater precision in quantifying small hydropower resources and establish an environment in which energy sources can be discovered using the small hydropower geographic information system. This study has given greater precision to calculating annual electricity generation and installed capacity of small hydropower plants of 117 medium basins by inquiring into average annual rainfall, basin area and runoff coefficient, which is anticipated to promote small hydropower resources utilization. Small hydropower geographic information system was also established by additionally providing base information on quantified small hydropower resources and analysis function and small hydropower generator status, rivers, basin, rainfall gauging station, water level gauging station etc.. Established system of GIS small hydropower energy can be used gather basic information for positive applications of small hydropower energy nationwide.

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Implementation of a Geo-Semantic App by Combining Mobile User Contexts with Geographic Ontologies

  • Lee, Ha-Jung;Lee, Yang-Won
    • Spatial Information Research
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    • v.21 no.1
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    • pp.1-13
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    • 2013
  • This paper describes a GIS framework for geo-semantic information retrieval in mobile computing environments. We built geographic ontologies of POI (point of interest) and weather information for use in the combination of semantic, spatial, and temporal functions in a fully integrated database. We also implemented a geo-semantic app for Android-based smartphones that can extract more appropriate POIs in terms of user contexts and geographic ontologies and can visualize the POIs using Google Maps API (application programming interface). The feasibility tests showed our geo-semantic app can provide pertinent POI information according to mobile user contexts such as location, time, schedule, and weather. We can discover a baking CVS (convenience store) in the test of bakery search and can find out a drive-in theater for a not rainy day, which are good examples of the geo-semantic query using semantic, spatial, and temporal functions. As future work, we should need ontology-based inference systems and the LOD (linked open data) of various ontologies for more advanced sharing of geographic knowledge.

The Keyword Search Using Thesaurus Concept in Geographic Information Systems

  • Yamauchi, Takashi;Kang, Dongshik;Miyagi, Hayao
    • Proceedings of the IEEK Conference
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    • 2002.07a
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    • pp.575-578
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    • 2002
  • In this study, it enabled to perform keyword search on Geographic Information Systems (GIS) more flexibly by taking in the concept of geographic thesaurus in order to make the keyword search that was more efficiently. The search procedure depends on the history when user information is included. This study provides a system for keyword searching as well as check the validity of the system. Furthermore, by establishing this reference method, the search that took in the query of a user flexibly is attained rather than a chosen type reference system.

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Implementation of Rapid Application Development Method in the Development of Geographic Information Systems of Industrial Centers

  • Sasmito, Ginanjar Wiro;Wibowo, Dega Surono;Dairoh, Dairoh
    • Journal of information and communication convergence engineering
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    • v.18 no.3
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    • pp.194-200
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    • 2020
  • Cities in Indonesia include diverse scattered industrial centers comprising industries that can sustain the existing economic pace. For industrial data collection, the city government still relies on census that consumes extensive time and money. The public are unfamiliar with industries owing to their lack of industry information; therefore, the market share is not optimal. In addition, the opportunity to procure investors for business development is limited. A Geographic Information System (GIS) is a computer system that can record, store, write, analyze, and display geographical data. Using the Rapid Application Development (RAD) method, GIS was developed on a website platform to provide information on industry profiles, types of production, investment values, industry maps, and industrial locations in each village and sub-district to a wider community. The RAD method was chosen compared to the waterfall method because it could accelerate website development process.

The Development of An Object-Oriented Graphic Database Management System in Geographic Information Systems (토지정보체계의 객체지향 도형정보데이타베이스 개발)

  • Hwang, Kook-Woong;Lee, Kyoo-Seock
    • Journal of Korean Society for Geospatial Information Science
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    • v.4 no.1 s.6
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    • pp.23-29
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    • 1996
  • The purpose of this study is to develope an Object-Oriented Graphic database management system to handle geographic data of geographic information systems. As the result of this study, unstructured vector model was developed to handle geographic data and graphic database management was implemented by object-oriented programming. This study was focused on liking function between graphic data and attribute data, and not focused on network analysis function.

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The Building Strategies of Natural Park Integration Monitoring System Based on Geographic Information Analysis System

  • Bae, Min-Ki;Lee, Ju-Hee
    • Journal of Korean Society of Forest Science
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    • v.95 no.5
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    • pp.605-613
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    • 2006
  • The goal of this study was to propose building strategies of web-based national park monitoring system (WNPMS) using geographic information analysis system. To accomplish this study, at first, this study selected and made integrated management indicators considering physical, ecological, and socio-psychological carrying capacity in national park. Secondly, this study built up an integrated management this system with statistical analysis program for execution of various multivariate analysis and spatial analysis. Finally, WNPMS could identify the relationship among visitors, natural resources, and recreation facilities in national park, and forecast the future management status of each national park in Korea. There results of this study will contribute to prevent the damage of natural resources and facilities, improve visitor's satisfaction, prevent an excess of carrying capacity at national park, and established tailored management strategies of each national park.

Development of User Oriented Geographic Information Retrieval Service Module Based on Personalized Service (개인화 서비스 기반 사용자 지향형 지리정보 검색 서비스 모듈 개발)

  • Lee, Seok-Cheol;Kim, Chang-Soo
    • Journal of the Korean Association of Geographic Information Studies
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    • v.14 no.1
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    • pp.49-58
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    • 2011
  • Recently, GIS(Geographic Information System) has been developed to personalized service for providing the specialized services that is aimed to personal user based on mobile communication. The existing GIS system provides comprehensive and simple information but GIS System for personalized service must provide the adjustive information through the personal interest profile based on POI(PoInt of Interest). This paper describes the intelligent retrieval geographical information service module for providing personal oriented geographic information service. Our proposal model consists of user preference profile, acquisition of POI through hybrid network (Wireless LAN, CDMA), service platform and implementation of prototype system. Implementation model can apply to the life information service like restaurant, oil station, convenient store and etc.

Studies on Environmental Impact Assessment Using Environmental Information System(I) : GIS Application (환경정보체계를 이용한 환경영향평가에 관한 연구(I) : GIS 활용을 중심으로)

  • Kim, K.G.;Kim, M.J.;Kim, I.S.;Seo, C.W.
    • Journal of Environmental Impact Assessment
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    • v.1 no.1
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    • pp.21-30
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    • 1992
  • Environmental Impact Assessment(EIA) is developing as a tool for environmentally sound and sustainable development in Korea. For more effective implementation of it, we try to apply Environmental Information System (EIS) to EIA process. EIS is composed of geographic and attribute data related to environment and Geographic Information System(GIS), and it will be applied to scoping, prediction, and alternative assessment, etc. in EIA. This study focuses on application of geographic data using GIS in suitability analysis of alternative assessment. We use TIN, buffering, and overlaying in GIS functions.

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Analysis of Seismic Response Coefficient by Fundamental Period using Geographic Information System (GIS를 이용한 고유주기에 따른 지진응답계수 분석)

  • Seo, Eun-Su;Choi, Se-Hyu
    • Spatial Information Research
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    • v.20 no.1
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    • pp.39-45
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    • 2012
  • Response of buildings under seismic load is different according to fundamental period. It is provided in Korean Building Code(KBC2009) seismic response coefficient by fundamental period for seismic design of buildings. Recently, many researchers have studied on fundamental period and seismic response coefficient. However, studies on seismic design using Geographic Information System(GIS) are not sufficient. Therefore, this paper has analyzed on seismic response coefficient of buildings using ArcGIS. This paper can be evaluated efficiently for seismic analysis of structures. And this study will be used as basics of a reasonable seismic design using Geographic Information Systems(GIS).

Establishment of Point Cloud Location Accuracy Evaluation Facility for Car-mounted Mobile Mapping System for Mapping of High Definition Road Maps (정밀도로지도 제작을 위한 이동식차량측량시스템(MMS) 점군 위치정확도 성능평가 시설 구축)

  • Oh, Yoon Seuk;Kwon, Young Sam;Park, Il Suk;Hong, Seung Hwan;Lee, Ha Jun;Lee, Tae Kyeong;Chang, Soo Young
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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    • v.38 no.4
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    • pp.383-390
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    • 2020
  • Car-mounted MMS (Mobile Mapping System) is the most effective tool for mapping of high definition road maps(HD Map). The MMS is composed of various sensor combinations, and the manufacturing methods and processing software are different for each manufacturer, performance cannot be predicted only by the specifications of the parts. Therefore, it is necessary to judge whether each equipment is suitable for mapping through performance evaluation, and facilities for periodic performance evaluation. In this paper, we explained the MMS performance evaluation facilities built at the SOC Evaluation Research Center of Korea Institute of Civil Engineering and Building Technology and analyzed the conditions that the evaluation facilities should have through a literature survey and field tests.