• KSCE Journal of Civil and Environmental Engineering Research
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• v.26 no.6D
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• pp.1003-1010
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• 2006

This study developed a traffic accident information management system based on WebGIS that can process a lot of data for giving effectively diagnosis of traffic accidents in serious damage circumstances by traffic accident. Also, this study presents a way to compose and to convey traffic accident information. In addition, non-spatial attributes as well as spatial attributes about traffic accidents information be integrated and managed by the system. To provide Web service, we developed modules that can supply visually spatial information and traffic accidents data through ASP, Javascript, ArcIMS based on Web and constructed a server. And constructed system include a function that offer the now situation of traffic accident in real time, which supply the statistical data of traffic accident through Web as soon as user entry data in comparison with previous way that preparatory period until traffic accidents data is supplied to peoples had been long. Traffic accidents are analyzed with only nonspatial attribute by simply collecting in the past. However, system constructed by this study offer new function that can grasp visually accident spot circumstance and use detailed content and accurate location data as well as statistical data of traffic accidents. Also, it offer interface that can connect directly with accident charge policeman.

• Proceedings of the Korea Multimedia Society Conference
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• 2002.05d
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• pp.1056-1061
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• 2002

지리정보시스템은 이미 우리 생황의 많은 분야에서 활용되고 있으며, 점차 그 활용 범위가 확대되어 가고 있다. 이러한 지리정보시스템을 WWW 환경에서 구축함으로써 웹 브라우저만 있으면 누구나 쉽게 지리정보시스템을 접할 수 있게 되었다. 본 논문에서는 지리정보시스템과 같이 많은 데이터를 처리하기에는 속도상의 문제가 발생할 수 있기 때문에, 이를 해결하기 위한 방법으로 Client/Server 설계, GIS-Engine 설계, 위치 검색 시스템 설계, 수직 분할 구조의 설계 등 Web 기반의 지리정보시스템의 설계 기법을 고찰해 보고, 이들 설계 기법을 이용한 관광지리정보시스템을 설계해 보았다. 앞으로 계속된 연구를 통하여 이를 구현하여 Web-GIS를 관광분야에 활용할 수 있도록 할 것이며, Web-GIS가 단지 지리정보의 검색시스템으로 한정하지 않고 응용 범위를 확대하여 다양한 분야에서 활용될 수 있도록 노력하겠다.

• Annual Conference of KIPS
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• 2002.11c
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• pp.1741-1744
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• 2002

최근 일반인들의 웹 사용이 급증함에 따라 웹 관련 어플리케이션이 증가하게 되었다. GIS 분야에서 웹 GIS라는 분야가 등장하게 되었고 많은 연구가 진행되어 왔다. OGC(Open GIS Consortium)에서는 GIS 데이터의 상호운용성을 웹 환경에서 지원하고, 서로 다른 타입의 지리정보의 접근을 위해 웹 맵서버 인터페이스 구현 명세(Web Map Server Interfaces Implementation Specification)를 제안하였다. 제안된 웹 맵 서버의 통합방법 중에서 XLink를 이용한 통합방법은 웹 맵 서버 통합방법보다 서버의 응답 시간을 줄였으나 클라이언트의 문서 처리시간이 증가하였다. 본 논문에서는 이러한 점을 해결하기 위하여 클라이언트에서 XLink로 표현된 통합문서를 각각 개별적으로 처리하는 개별 문서처리 기법을 제안한다. 본 논문의 개별 문서처리 기법은 클라이언트에서 XLink된 문서들을 각 문서별로 개별적인 파싱을 수행하고, 파싱된 결과를 동시에 처리한다.

• Journal of the Korea Safety Management & Science
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• v.12 no.2
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• pp.107-112
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• 2010

Door to door service is a typical method for individual parcel deliveries. In the current delivery information system, a delivery person manually inputs the information of many delivery results, which causes inefficiency and difficulties of tracking deliveries. This study suggests an enhanced delivery information system which has the following two characteristics. Firstly, a tagged RFID(Radio Frequency Identification) transmits the delivery result information to the main server by just collecting RFID at a place of destination. Secondly, with the characteristics of rewritable method, the collected RFID is to be input new information and tagged to other parcels.

• Proceedings of the KSRS Conference
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• 2003.11a
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• pp.219-221
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• 2003

With regarding to web GIS, OGC promotes WFS allowing a client to retrieve geospatial data encoded in GML which is a modeling language to encode the semantics, syntax and schema of geospatial information resources. Even though GML provides benefits for geographic description, it is too heavy to be processed by mobile devices. In order to address the issue, this paper evaluates GML service with WFS server and GML viewers. Through this paper, we get analyses of properties of GML geospatial data and the effects on wireless devices, which are expected to be fundamental materials onto a design of mobile applications.

• Annual Conference of KIPS
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• 2009.11a
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• pp.469-470
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• 2009

GIS WEB 맵 서버는 다중 사용자 환경에서 신속한 요구 처리와 다양한 서비스를 수행해야 하며, 특히 맵 화면 표출 요구에 대한 신속한 처리 여부가 주요한 관건이 된다. 그러나 WEB 환경 하에서 공간 DBMS나 공간 파일시스템을 기반의 대용량의 공간 데이터를 처리는 성능향상에 한계가 있다. 본 논문에서는 공간 데이터를 영역별로 관리하는 계층적 형태의 공간 저장소구조를 제시하여, 이러한 한계를 극복하는 시스템을 제시하고자 한다.

• Journal of the Korean Institute of Illuminating and Electrical Installation Engineers
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• v.23 no.7
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• pp.75-80
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• 2009

In this study, a Web server was constructed using LabVIEW's DataSocket, which makes possible acquisition, analysis, and saving in real time. The output value of the optical current sensor at the web server PC was measured and the output value was displayed using the Web browser of the client PC. DataSocket by LabVIEW makes the construction of a Web server easier than other languages and is compatible with other application programs. An optical current sensor was composed using a 1310 [nm] laser diode, and 9/125 [${\mu}m$] standard single mode optical fiber and was created to be a close type sensor. Data measurement using Web servers has the advantage of monitoring electric power systems at a great distance and can fuse IT technology and electric power systems. Also, this measurement uses inexpensive mounting and programming when compared to existing measurement equipment allowing the construction of a measurement system in any situation or surrounding.

• Proceedings of the KSRS Conference
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• 2002.10a
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• pp.183-190
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• 2002

In this paper forest fire statistical information management system is constructed on web environment using web based GIS(Geographic Information System) technology. Though this system, general users can easily access forest fire statistical information and obtain them in visual method such as maps, graphs, and text if they have web browsers. Moreover, officials related to forest fire can easily control and manage all information in domestic by accessing input interface, retrieval interface, and out interface. In order to implement this system, IIS 5.0 of Microsoft is used as web server and Oracle 8i and ASP(Active Server Page) are used for database construction and dynamic web page operation, respectively. Also, Arc IMS of ESRI is used to serve map data using Java and HTML as system development language. Through this system, general users can obtain the whole information related to forest fire visually in real time also recognize forest fire prevention. In addition, Forest officials can manage the domestic forest resource and control forest fire dangerous area efficiently and scientifically by analyzing and retrieving huge forest data through this system. So, they can save their manpower, time and cost to collect and manage data.

• Spatial Information Research
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• v.4 no.2
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• pp.181-187
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• 1996

The purposes of this paper is to propose a methology for the efficient work analysis and system configuration for the developing of facilities information management system for city gas facilites. For this, work defining and user requirement was reflected on system, and systematic system development was derived through defining the problems of existing facilities management system. The study can be summarized as follows: First, existing work was computerized effectively by feedback with user interview on analyzing work. Second, it is appropriate to approach on system development in view of SI(System Integrate) which integrates Management Information System(MIS) and Geograph¬ic Information System(GIS). Third, it was found that Client-Server environment is good solution for now and future computer environment.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.15 no.2
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• pp.395-403
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• 2011

Various studies were performed for providing the latest spatio-temporal information in mobile GIS Environments. The two-way synchronization scheme collects updated spatio-temporal data in the field and synchronizes with a server by using the wireless network. However, the other mobile terminals have to perform periodically synchronizes with a server. In this paper, we propose the update propagation scheme about spatio-temporal data collected from the mobile terminal. The update propagation scheme does considering various factors where an influence is in the update propagation. Therefore, it provides various update propagation policies according to each factors.