• Journal of Korea Spatial Information System Society
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• v.1 no.2 s.2
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• pp.5-20
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• 1999

Recently, the new software paradigm in information technology (IT) is the component-based development (CBD) technology that has brought as a result of the distributed computing environment (DCE). The CBD has reduced a program developing time and has been designed to make a distributed computing environment easier in the Internet and Intranet environments. These changes of software technology have influence on the geographic information system (GIS) and the CBD technology is highly needed as a point of view of the technique and policy of the geographic information system. In this paper, we designed and implemented an Enterprise Server for the efficient development and management of GIS components. Especially, the Enterprise Server was developed with the Enterprise JavaBeans Specification 1.1 that had been proposed as an industry standard by the Sun Microsystems. The Enterprise Server can allows users to manage the Unified Modeling Language (UML) and Design Patterns for the development of GIS components, develop a GIS component container which obeyed the Open Geodata Interoperability Specification (OpenGlS), manage spatial metadata through a spatial XML (eXtensible Markup Language) engine, and implement a TESTBED server for testing and verification of developed GIS components.

• Journal of Korea Spatial Information System Society
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• v.1 no.1 s.1
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• pp.19-28
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• 1999

The focus is moving from the problem of building data to the problem of accessing and efficient utilization of data fitting to the purpose of a user. A distributed technology and a standard of geodata and geoprocessing is needed to satisfy these needs. This paper suggests an implementation method of a standard interface defined by OpenGIS with CORBA which is a distributed object technology. A client can invoke Open API of the middleware implemented with CORBA through IIOP. CORBA server objects which provide a client with Open API is the essence of an interoperability. CORBA server objects wrap the data formats and access methods of different GIS engines, and translate the data formats of different data servers to a standard data format.

• Journal of the Korean Institute of Traditional Landscape Architecture
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• v.32 no.3
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• pp.168-182
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• 2014

Several Sungsi Gardens were built up in Old West Village during the period of the Joseon Dynasty. Most of them were painted as True-View landscape painting. This study aims at examining original locations of representative gardens of the Old West Village by empirical investigation of related True-View landscape paintings. It seeks to demonstrate the garden landscape in True-View landscape painting by utilizing ArcGIS, 3D topographic modeling to observe geographical locations and landscape more realistically. After forming 3D topographic modeling of estimated locations of the gardens, location of objects at composition of 3D modeling similar to True-View landscape painting was found by shifting viewpoints. And by overlapping the cadastral map on the modeling, we could verify the current lot number of the garden sites. The interpretation of processes and results are as follows. In the early stage, Chungpunggye garden was built at the very end of Mt. InWang valley. The site is hidden from the outside, and appeared as 'Enclosed Landscape'. In the middle stage, Chunghuigak garden was built between Okryu-dong valley and the surrounding ridge. It appeared as 'Semi-Opened Landscape'. In the late stage, Seowon garden was built at the highest level of the ridge among the research areas. It appeared as 'Prospective Landscape'. In the last period, Songsukwon garden, was built at a point of contact of the ridge end and surrounding residential area. So it appeared as 'Opened Landscape' to the town. In other words, the location, landscape and social function of the gardens in Old West Village had been gradually opened in Joseon Dynasty.

• Journal of Internet Computing and Services
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• v.6 no.5
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• pp.97-110
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• 2005

Recently, many WMS(Web Map Services) and POI(Point of Interest) services come to be in service on the Internet using Web GIS(Geographic Information System) as Information Technology and computer H/W are evolved faster in its speed, network bandwidth and features. The Web GIS is, however, limited and constrained on the specification of its system configuration, the service class provided and the presentation methodology of a map. As the mobile Internet becomes popular in mobile service, Web GIS service on mobile environment is strongly required and to be provided by location based WMS(Web Map Service) on a mobile client such as PDA with location information of the user. In this paper, we made an effort to design and implement a GIS computing environment by thin client for mobile web map service. For implementing the thin client GIS computing environment. we were using NGII's(National Geographic Information Institute's) DXF map, representing the map by SVG(Scalable Vector Graphics) recommended by OGC(OpenGis Consortium), and adapting standard XML web service to provide the thin client GIS service on PDA by applying the location information of the user in realtime with GPS on mobile environment.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.8 no.7
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• pp.1588-1596
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• 2004

Recently, many WMS(Web Mapping Services) and POI(Point of Interest) service on to be in service on the Internet using Web CIS(Geographic Information System) as information Technology and computer HW are evolved faster in its speed, network bandwidth and features. The Web GIS is, however, limited and constrained on the specification of its system configuration, the service class provided and the presentation methodology of a map. As the mobile Internet becomes popular in mobile service, Web GIS service on mobile environment is strongly required and to be provided by LBS(Location Based Service) on a mobile client such as PDA with location information of the user. In this paper, we made an effort to design and implement a GIS computing environment by thin client for mobile web mapping service. For implementing the thin client GIS computing environment, we were using NGII's(National Geographic Information Institute's) DXF map, representing the map by SVG(Scalable Vector Graphics) recommended by OGC(OpenGis Consortium), and adapting standard XML web service to provide the thin client GIS service on PDA by applying the location information of the user in realtime with GPS on mobile environment.

• The KIPS Transactions:PartD
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• v.11D no.1
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• pp.203-210
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• 2004

A new research of geographic information system has been focused on an open architecture, interoperability and extensibility in their design. In order to process huge data, multidimensional data and heterogeneous geographic format data, these research move away from monolithic system to open structure system managing application layer and user interface layer. Nowadays, many developers have used CORBA middleware for the OGIS systems. However, CORBA middleware has some problems that support only a point-to-point communication and takes a long time to transfer sever data to client. Thus, in this paper, we propose a method on modifying a point-to-point communication and implement the efficient communication method. The proposed method that transfer data from sever to client in one connection support a group communication and reduce a transfer time delay.

• Proceedings of the Korean Information Science Society Conference
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• 2000.10a
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• pp.296-298
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• 2000

개방형 GIS는 웹 GIS 환경의 상호운용을 제공하기 위해, 웹 매핑 테스트베드를 통한 맵서버와 GML 명세를 정의함으로써 새로운 웹 매핑 기술을 제안하고 있다. 이 환경에서 맵서버는 다양한 데이터 서버들의 지리정보를 XML로 변환하여 클라이언트에게 제공하고, 클라이언트는 전송받은 XML 지리정보를 웹 브라우저를 이용하여 출력한다. 이러한 웹 매핑 테스트베드는 XML 지리정보의 발견, 접근 및 출력 방법은 제공하지만 GIS에서 필수적인 공간연산을 수행하는 방법은 제시하지 않는다. 이 논문은 웹 환경의 다양한 데이터 서버들로부터 중첩되어 전송된 XML 지리정보에 대한 공간연산을 클라이언트에서 수행하는 방법을 제시한다. 이를 위해 W3C에서 XML 문서의 분석을 위해 제시한 DOM을 기반으로, 웹 GIS 환경에서 XML 지리정보의 공간연산을 지원하는 GDOM(Geographic Document Object Mode)을 설계하고 구현한다. 그리고 웹 매핑 테스트베드 환경에서 클라이언트가 GDOM을 이용하여 공간연산을 수행하는 과정 및 결과를 보인다.

• Proceedings of the Korea Information Processing Society Conference
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• 2001.04a
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• pp.31-34
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• 2001

지리 정보 자원을 서로 공유하기 위한 표준으로 OGC의 OpenGIS simple feature specification이 있다. Feature의 집합을 다루는 Featurelterator 인터페이스에서 기존의 인터페이스는 서버에 새로운 Feature나 Geometry 객체를 생성하고 클라이언트가 이를 다시 접근 해야하는 비효율성이 존재한다. 그래서 서버에 접근하는 비용을 줄이기 위해, 클라이언트가 서버의 Feature들을 접근하는 방법인, 새로운 get_WKSGeometries 인터페이스를 제안하고 구현한다. 이 인터페이스는 서버에 객체를 생성하는 것이 아니라, WKS 형태로 Feature의 데이터를 클라이언트에 직접 전달함으로써 클라이언트가 서버에 재접근을 요구하지 않는다. 따라서, 이 논문에서 제안한 get_WKSGeometries 인터페이스를 이용하면, 클라이언트가 서버에 접근하는 비용을 줄이고 성능을 향상시키도록 하였다. 아울러 구현 명세를 구현하고 새로운 인터페이스를 제안 검증하였다.

• Korean Journal of Heritage: History & Science
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• v.57 no.1
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• pp.6-19
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• 2024

The Korean Archaeological Dictionary, which represents Korean archaeological knowledge information, contains refined and high-quality information written by expert collective intelligence. This is a characteristic that clearly distinguishes it from overseas archaeological data archives, and can be called differentiated infrastructure data. However, it has not played a role as an information service or knowledge information platform reflecting the latest digital technology. As a way to maximize these strengths and compensate for weaknesses, it was proposed to develop and operate a GIS-based knowledge and information platform for Korean archaeology. To realize this, it is necessary to develop a title management system centered on repositories and metadata that can collect and store various information, link open linked data design and related systems, develop a search function that can analyze and visualize data in response to the big data era, and establish a WebGIS-based information service system. This will be a platform to continuously manage, supplement, and update Korean archaeological knowledge information, build a ubiquitous environment where anyone can use information anytime, anywhere, and create various types of business models.

• Journal of the Korean Association of Geographic Information Studies
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• v.7 no.4
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• pp.119-132
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• 2004

As geographic object is consisted of 3-dimensional, it must be appropriated use the 3-dimensional coordinate system to express for exact representation. To define 3-dimensional+temporal object model we extended 3-dimensional space and valid time from object model of OpenGIS consortium that is limited to 2-dimensional space. This methodology guarantees compatibility with other systems to construct with the open model. Also, it permitted administration for two kinds of object by considering both objects whose position and shape changes discretely over time and objects whose position changes continuously. 3-dimensional+temporal object model was implemented by 3-dimensional+temporal object component using OLE/COM techniques. The interfaces of the component defined based on 3-dimensional+temporal object model. To use this component, we implement the data consumer for 3-dimensional+temporal data.