• Title, Summary, Keyword: Web GIS

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Research on the Sharing of Disaster Information Using Web GIS Technology (Web GIS를 이용한 재해 정보 제공에 관한 연구)

  • 김동문;양인태
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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    • v.21 no.2
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    • pp.101-107
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    • 2003
  • Lately, much researches for information management of web GIS base are gone. Specially, disaster Information Management System development of Web-Based for management and offer of disaster information such as flood or earthquake is necessarily necessary for prevention and countermeasure about disaster, disaster information acquisition of interest area. Spatial DB access for plan/analysis/management business of this system should be possible and must become display of disaster information and disaster mapmaking through internet for disaster prevention but research of web GIS base about this field is childhood yet. This research executed research for disaster information offer using HTML and Javascript and ESRI's ArcIMS that is development tools or web GIS. And this research could search disaster information of interest area through various kinds function and offer in display through user selection. Also, topography of interest area could confirm through third dimension topography model who use VRML. And this research could supply disaster information of Chunchon city using various function thorough system of Web-Based.

Development of Composite Soil Quality Index Evaluation System based on Web GIS (Web GIS기반의 복합적 토양 질 평가 시스템 개발)

  • Sung, Yunsoo;Yang, Jae E;Kim, Sung Chul;Ryu, Jichul;Jang, Wonseok;Kum, Donghyuk;Lim, Kyoung Jae
    • Journal of Korean Society on Water Environment
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    • v.31 no.6
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    • pp.693-699
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    • 2015
  • It has been known that torrential rainfall events have been occurring worldwide due to climate change. The accelerated soil erosion has caused negative impacts on water quality and ecosystem of receiving waterbodies. Since soil security issues have been arising in various areas of the world, intensive interests have been given to topsoil management in Korea. Thus in this study, Web GIS-based computing system of physical, chemical, and biological topsoil quality indices were developed. In this study, five soil quality maps at national scale and top soil erosion potential were prepared for evaluation of soil quality based on soil erosion potential. For this system, the open source Web GIS engine, OpenGeo, was used as core engine of the system. With this system, decision makers or related personnel in areas of soil erosion Best Management Practices (BMPs) would be able to find the most appropriate soil erosion BMPs based on soil erosion potential and soil quality at the area of interest. The Web GIS system would be efficiently used in decision making processes because of ease-of-use interface and scientific data used in this system. This Web GIS system would be efficiently used because this system could provide scientific knowledge to decision makers or stakeholders. Currently various BMP database are being built to be used as a decision support system in topsoil management and topsoil quality areas.

A Web-GIS based on Object Location Information Monitoring System for Ubiquitous Environment (유비쿼터스 환경을 위한 Web-GIS 기반의 객체위치정보 모니터링 시스템)

  • Kim, Taek-Cheon;Kim, Seok-Hun;Kim, Jin-Soo
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.11 no.9
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    • pp.1755-1763
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    • 2007
  • Specially, location information can say that is important information in this ubiquitous environment and solutions of new GIS system to utilize this are required. Examine method to improve web geography information service system because this paper uses XML and presented specific implementation result. Through internet. it planed various geography information that offer in form of service that do not receive restriction of heterogeneous system environment. Also, did thing that is easy when request service about geography information that user need and deliver fast by purpose. Supplement and to improve open-ended and XML of form normalized use and developed existent web geography information service. So that can use map service in web browser without setup of application program that buy expensive GIS software or offer in each company design and implement.

Context Information and Active Proxy for Mobile GIS Web Service (모바일 GIS 웹 서비스를 위한 컨텍스트 정보와 액티브 프록시)

  • Lee, Hun;Yoo, Sang-Bong
    • The Journal of Society for e-Business Studies
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    • v.12 no.2
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    • pp.1-16
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    • 2007
  • Recently the computing environment has been moved to open architectures that include Web technologies. Web Service is one of import component of the new paradigm. This paper presents a design and implementation of GIS Web Service for mobile devices. As many mobile devices are equipped with GPS (Global Positioning System), it is required to handle the position information more effectively. We have extended the proxy program in the client device to actively send the context information to the server. Based on the context information the server determines the optimal service mode to a particular client. A working example of location?based GIS Web Service is also presented. By using Web Service standards and XML messages we can achieve the maximal interoperability for heterogeneous mobile devices.

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Real-time Geotechnical Information Database Development Using Location Based Service (LBS를 이용한 실시간 지반정보 DB 구축 시스템 개발)

  • Woo, Je-Yoon;Koo, Jee-Hee;Lee, Sang-Hoon
    • Journal of Korea Spatial Information System Society
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    • v.5 no.2
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    • pp.91-103
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    • 2003
  • There are currently tremendous amount of geotechnical information saved, which has been qcquired for essential application of site selection, plan, design, constructin, repari in the builing work. However, due to the lack of the location data attribute, there has been a trouble in its analysis and GIS implementation. In this study, the geotechnical information aquisition program(PGeo) for real-time database in the field and geotechnical information reporting program(GeoReport) by Web-GIS for additional data input and its reporting function has been developed.

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Agent-Based Load Balancing Method for Web GIS Services; Web-Based Forest Fire Management System

  • Jo, Yun-Won;Jo, Myung-Hee;Oh, Jeong-Soo
    • Korean Journal of Remote Sensing
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    • v.17 no.4
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    • pp.359-368
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    • 2001
  • The prototype of forest fire management system on Web was studied. In the architecture of this system, one of the most important concerns is to handle load upcoming to Web Server so that it provides Web service without any delay or failure. In order to solve this problem, the agent is designed on dispatcher in a Web server cluster and implemented to distribute load dynamically by considering the information related to load coming to the Web Server such as the number of connection to the Map Server. The proposed forest fire management system has user-friendly interface with the GIS mapping functionality by selecting Map Objects Internet Map Server (MO IMS) as Map Server and is implemented using Java as programming language.

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Media GIS Web Service Architecture using Three-Dimensional GIS Database

  • Kim, Sung-Soo;Kim, Kyong-Ho;Kim, Kyung-Ok
    • Proceedings of the KSRS Conference
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    • pp.117-122
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    • 2002
  • In this paper, we propose Media GIS web service architecture using 3D geographical database and GPS-related data resulted from 4S-Van. We introduce a novel interoperable geographical data service concept; so-called, Virtual World Mapping (VWM) that can map 3D graphic world with real-world video. Our proposed method can easily retrieve geographical in-formation and attributes to reconstruct 3D virtual space according to certain frame in video sequences. Our proposed system architecture also has an advantage that can provide geographical information service with video stream without any image processing procedures. In addition to, describing the details of our components, we present a Media GIS web service system by using GeoVideo Server, which performs VWM technique.

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A PERFORMANCE EVALUATION OF SOAP VARIANTS FOR GIS WEB SERVICES

  • Cha, Seung-Jun;Li, Jun;Hwang, Yun-Young;Lee, Kyu-Chul;Chang, Yoon-Seop;Kim, Kyung-Ok
    • Proceedings of the KSRS Conference
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    • v.2
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    • pp.615-618
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    • 2006
  • By introducing Web Services, distributed GIS services from different vendors can be dynamically integrated into a GIS application using the interoperable standard SOAP protocol. However, it is debatable whether SOAP can really meet the performance requirements of GIS. This paper presents an experimental evaluation of the performance of different SOAP variants: standard SOAP, SwA/MIME, and SOAP/MTOM. The objective of this paper is to demonstrate that SOAP performance in communicating large volumes of GIS data could be effectively improved by recent standards. Moreover, SOAP/MTOM is identified to be the fastest and the most efficient messaging protocol.

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Investigation for Evaluation factor of Internet GIS Sites in the Context of User considering Ubiquitous environment (유비쿼터스 환경을 고려한 사용자 관점에서의 GIS 웹 사이트 평가기준에 관한 연구)

  • Lee, Ho-Jin;Park, Hee-Jun
    • 한국IT서비스학회:학술대회논문집
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    • pp.13-17
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    • 2009
  • 초기 사업자들에 의해 일방적으로 정보가 제공되던 인터넷 GIS 사이트는 Web 2.0의 패러다임과 함께 사용자들에 의해서 정보가 생산되고, 평가되는 형태로 변화하였다. 기존의 일반적인 웹사이트의 평가모델과 GIS 사이트 평가 모델에 대해서 살펴보고, Web 2.0을 고려하여 보완된 GIS 2.0 사이트 평가모델의 기준점을 활용하여 유비쿼터스 사업 특성을 고려한 평가 모델을 제시하고자 한다.

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Development of River Quality Management Information System Using Web-GIS of Nonsan-si(I) (Web-GIS를 이용한 논산시 하천수질 관리 정보 지원시스템 구현(I))

  • 박기학;오승교;박성규
    • Journal of environmental and Sanitary engineering
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    • v.18 no.4
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    • pp.15-23
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    • 2003
  • The purpose of this study is to construct e-Nonsan, a user friendly river quality management information system for Nonsan-si basin using GIS (geographical information system) technology. GIS was ideally suited featuring a geographical characteristics(e.g., industries, cattle sheds) and very effectively used in mapping and symbolization for the distribution of the spatial/periodic status(e.g., pie or column chart) of the point/non-point pollutant source loads which can be effectively applied to a information system on the web-site. And a user interface, GUI(graphic user interface) was designed very diversely and simply enabled the and non environmental experts connect with the system and obtain a useful information of river quality. e-Nonsan, a visual mapping system for river quality was developed by reframing the monitoring data as graphic symbols and it was ideally suited to exploring area-wide river quality at a user-friendly manner due to extensibility and scalability along the various survey points. Eventually the final step of this study was to construct e-Nonsan based on Web-GIS could be assessed anywhere if internet service is available and offer a very useful information services of the river quality to the publics.