• Title/Summary/Keyword: Spatial Information System

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Utilization of Spatial Weather Information System for Effective Air Operations

  • Kim, Young-Hae;Yoon, Soungwoong;Lee, Sang-Hoon
    • Journal of the Korea Society of Computer and Information
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    • v.23 no.4
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    • pp.139-145
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    • 2018
  • In this paper, we propose the methodology and system to show weather information to spatial system. When using the spatial information system, it is easy and convenient to show information such as target location, mission contents, enemy threats and so on. However, drawing 1-dimensional weather information on 3-dimensional space in spatial information system is hard task. To fuse data, we need to add a spatial layer including weather information to spatial layers and perform space modeling for showing weather information as spatial data in a virtual space. The virtual space is shown by receiving meteorological data and then changing in real time through weather database linkage.

A Preliminary Study of Quality Certification System for Geo-Spatial Information Device (공간정보 기기 품질인증을 위한 기초연구)

  • Kim, Jae-Myeong;Choi, Yun-Soo;Seo, Jae-Pil;Chang, Eun-Mi
    • Spatial Information Research
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    • v.19 no.4
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    • pp.33-43
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    • 2011
  • Countries all over the world have been operating various certification systems to protect their consumers, and these systems have become trade barriers between countries. Also, KS and KCC were not designed to reflect characteristics of Geo-Spatial Information Device. The purpose of this study was to derive the plan of Quality Certification System for Geo-Spatial Information Device through the analyses of the existing Quality Certification System. The results of this study were as follows. Firstly, we defined the concept of Quality Certification System for Geo-Spatial Information Device. Secondly, we set the boundary, factors and process of Quality Certification System for Geo-Spatial Information Device through classifying it in detail. Lastly, we suggested about fundamental concept of Quality Certification System for Geo-Spatial Information Device a the analyses of the existing Quality Certification System.

A Technology for Integration of Spatial Information Services using Web Registry Services

  • Kim, Mi-Jeong;Lee, Eun-Kyu;Oh, Byoung-Woo;Jang, Byung-Tae
    • Proceedings of the KSRS Conference
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    • 2003.11a
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    • pp.621-624
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    • 2003
  • Recently, there has been rising concerns to integrate and connect a developed spatial information services without consideration of location in the heterogeneous distributed environment. The Open GIS Consortium provides system architecture model related to open web service for spatial information. This paper discusses the issues related to the web service framework for spatial information services using standards of Open GIS Consortium. In particular, we concentrate upon the WRS that support the runtime discovery and evaluation of resources. The technology for integration of spatial information services is expected to get synergy effect and overcomes limit of individual development of each spatial information technology. Also this system provides the interoperability and the reusability and prevents the duplication development of system.

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A Strategy to Improve Customer Service for Apartment Building Units (GIS를 기반으로한 실시간 실내공간관리 시스템 개발 - COEX Test Bed -)

  • Na, Kido;Lee, Gwang-Gook;Kim, Whoi-Yul;Kim, Jea-Jun
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2009.11a
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    • pp.269-272
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    • 2009
  • The environment of Ubiquitous in terms of improvement is being expanded to various fields and time enabled system. Thus, a real-time spatial information management system has been developed by integrating a human movement detection system into a SICS(Spatial Information Control System) engine that can integrally manage inside spatial information extracted from 3D CAD and outside spatial information of GIS. The add-on program was developed to extract spatial information necessary for the SICS engine from 3D CAD information, and a human movement detection system was developed. Test bed was operated for 2weeks and indoor human flow information was found out by zone. Also, the direction of future research was decided through a test bed.

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Comparison of Land Surface Temperature Algorithm Using Landsat-8 Data for South Korea

  • Choi, Sungwon;Lee, Kyeong-Sang;Seo, Minji;Seong, Noh-Hun;Jin, Donghyun;Jung, Daeseong;Sim, Suyoung;Jung, Im Gook;Han, Kyung-Soo
    • Korean Journal of Remote Sensing
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    • v.37 no.1
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    • pp.153-160
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    • 2021
  • Land Surface Temperature (LST) is the radiological surface temperature which observed by satellite. It is very important factor to estimate condition of the Earth such as Global warming and Heat island. For these reasons, many countries operate their own satellite to observe the Earth condition. South Korea has many landcovers such as forest, crop land, urban. Therefore, if we want to retrieve accurate LST, we would use high-resolution satellite data. In this study, we made LSTs with 4 LST retrieval algorithms which are used widely with Landsat-8 data which has 30 m spatial resolution. We retrieved LST using equations of Price, Becker et al. Prata, Coll et al. and they showed very similar spatial distribution. We validated 4 LSTs with Moderate resolution Imaging Spectroradiometer (MODIS) LST data to find the most suitable algorithm. As a result, every LST shows 2.160 ~ 3.387 K of RMSE. And LST by Prata algorithm show the lowest RMSE than others. With this validation result, we choose LST by Prata algorithm as the most suitable LST to South Korea.

Design and Implementation of Advanced Traffic Monitoring System based on Integration of Data Stream Management System and Spatial DBMS

  • Xia, Ying;Gan, Hongmei;Kim, Gyoung-Bae
    • Journal of Korea Spatial Information System Society
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    • v.11 no.2
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    • pp.162-169
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    • 2009
  • The real-time traffic data is generated continuous and unbounded stream data type while intelligent transport system (ITS) needs to provide various and high quality services by combining with spatial information. Traditional database techniques in ITS has shortage for processing dynamic real-time stream data and static spatial data simultaneously. In this paper, we design and implement an advanced traffic monitoring system (ATMS) with the integration of existed data stream management system (DSMS) and spatial DBMS using IntraMap. Besides, the developed ATMS can deal with the stream data of DSMS, the trajectory data of relational DBMS, and the spatial data of SDBMS concurrently. The implemented ATMS supports historical and one time query, continuous query and combined query. Application programmer can develop various intelligent services such as moving trajectory tracking, k-nearest neighbor (KNN) query and dynamic intelligent navigation by using components of the ATMS.

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Design and Implementation of Spatial Association Rule Discovery System for Spatial Data Analysis (공간 데이터 분석을 위한 공간 연관 규칙 탐사 시스템의 설계 및 구현)

  • Ahn, Chan-Min;Lee, Yun-Seok;Park, Sang-Ho;Lee, Ju-Hong
    • Journal of the Korea Society of Computer and Information
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    • v.11 no.1 s.39
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    • pp.27-34
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    • 2006
  • Recently, the study about the technology which effectively manage spatial information is actively conducted. For the effective knowledge inquiry, various extended data mining methods are applied in spatial data mining. However, former spatial association rule system appears the problem that does not reflect various non-spatial property along the inquiries because it searches the rule from the calculation among predicates. To resolve the problem, present study suggests the system that extends the inquiries using in spatial database, searches the association rule among non-spatial object property after setting the data based on space information. Especially, the model which is applicable to geographical information system is embodied. Embodied system with this method enables to search more useful spatial association rule in real life since it shows high migration property with extended spatial database and considers spatial property and various non-spatial property.

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