• Title/Summary/Keyword: spatial decision making

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토지피복지도 활용확산 방안

  • Kim, Eun-Hyung;Park, Jun-Gu
    • 한국공간정보시스템학회:학술대회논문집
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    • 2005.05a
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    • pp.113-124
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    • 2005
  • It is assumed that Land cover data can be a useful information to encourage environment in the spatial decision making process. This study aims to use the direction of Land Cover dataset of Ministry of Environment.

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User-Oriented Digital Maps for Supporting Decision Making (의사결정 지원을 위한 사용자 중심의 수치지도)

  • Lee, Dong-Cheon;Lee, Young-Wook;Park, Ki-Surk
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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    • v.27 no.2
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    • pp.235-247
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    • 2009
  • Map is information media for human life. Recently, innovative map making technology has been developed and most updated various data are provided to map users. In consequence, use of maps is rapidly increasing in various applications. One of the examples is car navigation map because navigation maps provide reliable and necessary information with convenient way. Therefore, maps are to be changed to user-oriented from map making-oriented design. The main goal of spatial data infrastructure is to allow various users to access the real world information easily for decision making. However, most of the digital maps are focused on map making aspect such as providing up-to-date data, acquisition of accurate data with state-of-the-art technology, and addition of layers (For example, ortho-images and DEMs). If map data processing tools are to be provided with the digital maps, users could utilize maps for decision making without professional software or knowledge. Therefore, objective of this paper is to propose scheme of the digital map data processing service with application examples.

Priority Decision of Small Hydropower Development using Spatial Multi-Criteria Decision Making (공간 다기준의사결정을 활용한 소수력 개발의 우선순위 결정)

  • Kim, Gil-Ho;Yi, Choong-Sung;Yeo, Gyu-Dong;Shim, Myung-Pil
    • Journal of Korea Water Resources Association
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    • v.42 no.12
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    • pp.1029-1038
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    • 2009
  • Recently, it is expected that small hydropower (SHP) could potentially provide sufficient amounts of alternative energy in Korea where there is an abundance of potential sites and where social efforts are being made to reduce the emissions of green house gases. In the past, the resources survey for SHP development has been carried out using onsite surveys and paper maps, which incurred a great deal of time and cost. Furthermore, the tools for decision making such as determining development priorities or evaluating feasibility have been considered only economic aspect and focused on the performance characteristics of power generation. However, as the concept of sustainable development has been being advanced in recent years, especially focused on human-social, environmental and ecological in addition to economical sector; the consideration of these multiple criteria has become essential for sustainable SHP development. This study aims to propose the spatial multi-criteria decision making (MCDM) methodology for determining priorities among a number of locations on the planning stage of SHP development using AHP and GIS. The proposed methodology is applied for determining development priorities among the SHP locations in Cho River basin and this study presents the detailed spatial information data and the results of development priorities. As a fundamental work, this study will be beneficial to the future activation of SHP development and will help the decision making in evaluating the feasibility of SHP development.

The Site Selection of Waste Incinerator Using Fuzzy Sets and AHP Theory (쓰레기 소각장 입지선정에 있어서 퍼지집합과 AHP 이론의 활용)

  • 이희연;임은선
    • Spatial Information Research
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    • v.7 no.2
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    • pp.223-236
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    • 1999
  • Recently, the need of wast incineratory has been recognized. However, the waste incinerator is considered the typical example of NYMB syndrome as a locally unwanted facilities. Therefore, the site selection of waste incineratory should be determined very carefully with consideration of various location factors. The purpose of this study is to provide a new decision-making process model for site selection that provides a rational and a systematic way. The fuzzy set theory and AHP theory, which have merits to overcome uncertainly and complexity of spatial data, are applied to select candidate sites for the waste incineratory. The method is able to produce a more flexible and objective solution for selecting suitability sites in comparison to rigid boolean logic. The result of this study shows that geographic information systems have clear implication for informing the spatial decision making process.

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System Theory Approach for Decision Making of GIS-based Optimum Allocation (GIS기반 최적공간선정을 위한 시스템론적 접근)

  • Oh, Sang-Young
    • The Journal of the Korea Contents Association
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    • v.6 no.12
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    • pp.121-127
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    • 2006
  • As information technologies are improving, geographical information system (GIS) technologies are also developing rapidly and demands for spatial analysis with GIS are increasing. Particularly, the spatial analyses with GIS researches have been noted rather than general GIS researches. However, most GIS researches focus on space dimension: a density-based clustering method (DBSCAN) or a DBSCAN algorithm using region expressed as Weight (DBSCAN-W) but the importance of rational decision making based on time dimension has been neglected. This study adopts system dynamics in order to put time dimension in GIS-based optimum allocation.

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Construction of Land Consulting Information System (토지 컨설팅 정보시스템(ALGOSA) 구축)

  • 이상길;정종철
    • Spatial Information Research
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    • v.12 no.1
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    • pp.57-71
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    • 2004
  • In this study about construction of land consulting information system the system is constructed for the support be rapidly and efficiently of decision making information. Supporting decision making is be sure need when build in land or change form and character of land, that kind of variety land law, conditions of buying land location, distribution of land answering to the development purpose and buying and selling or lease of land. So that land consulting information system can be query, search, identity and analysis for the decision making elements using the computer. The system an another name ALGOSA far the improved extent of legal in ability of system. Like this where spread of system is by company as well as private person, it's company kinds of real estate business, survey and civil designer's office, architectural designer's office and professional1y land development company of great many all over the country.

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Implementation of Open Source SOLAP Decision-Making System for Livestock Epidemic Surveillance and Prevention (Open Source SOLAP기반의 가축전염병 예찰 및 방역 의사결정 지원시스템 구현)

  • Kyung, Min-Ju;Yom, Jae-Hong
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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    • v.30 no.3
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    • pp.287-294
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    • 2012
  • The spread of infectious diseases in the event of livestock is getting faster and the route of spread gets more varied. It is important for the responsible agency to detect early and establish a prevention and surveillance system. If the spread cannot be contained effectively, great damage and loss will be inevitable in terms of social, environment and economic aspects as well as the welfare of the farmers. At present in Korea, a web-based Infectious Livestock Diseases Statistics System (AIMS: Animal Infectious Disease Data Management System) has been already implemented for this purpose and the service is available to the general public. But this system does not provide geospatial information and does not provide support for decision making and does not provide multi-dimensional information. In this study, an open source-based SOLAP (Spatial On-Line Analytical Processing) technology is applied to enable many diverse forms of data analysis from many aspects to support decision making. The SOLAP system was designed to integrate geospatial information and the analysis of information has been largely divided into map-based analysis and table-based analysis.

Spatial Aggregations for Spatial Analysis in a Spatial Data Warehouse (공간 데이터 웨어하우스에서 공간 분석을 위한 공간 집계연산)

  • You, Byeong-Seob;Kim, Gyoung-Bae;Lee, Soon-Jo;Bae, Hae-Young
    • Journal of Korea Spatial Information System Society
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    • v.9 no.3
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    • pp.1-16
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    • 2007
  • A spatial data warehouse is a system to support decision making using a spatial data cube. A spatial data cube is composed of a dimension table and a fact table. For decision support using this spatial data cube, the concept hierarchy of spatial dimension and the summarized information of spatial fact should be provided. In the previous researches, however, spatial summarized information is deficient. In this paper, the spatial aggregation for spatial summarized information in a spatial data warehouse is proposed. The proposed spatial aggregation is separated of both the numerical aggregation and the object aggregation. The numerical aggregation is the operation to return a numerical data as a result of spatial analysis and the object aggregation returns the result represented to object. We provide the extended struct of spatial data for spatial aggregation and so our proposed method is efficient.

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Development Plan of Facility Importance, Risk, and Damage Estimation Inventory Construction for Assisting Disaster Response Decision-Making (재난대응 의사결정 지원을 위한 시설물 중요도·위험도·피해액 산정 인벤토리 구축 방안 연구)

  • CHOI, Soo-Young;GANG, Su-Myung;JO, Yun-Won;OH, Eun-Ho;PARK, Jae-Woo;KIM, Gil-Ho
    • Journal of the Korean Association of Geographic Information Studies
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    • v.19 no.1
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    • pp.167-179
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    • 2016
  • The safety of SOC facilities is constantly under threat by the globally increasing abnormal climate. Responding to disasters requires prompt decision-making such as suggesting evacuation paths. For doing so, spatio-temporal information with convergence of disaster information and SOC facility information must be utilized. Such information is being collected separately by the government or related organizations, but not collectively. The collective control of the separately collected disaster information and the generation of SOC facility safety and damage information are required for prompt disaster response. Also, as disaster information requires spatio-temporal convergence in its nature, the construction of an inventory that integrates related information and assists disaster response decision-making is required. A plan to construct a facility importance, risk, and damage estimation inventory for assisting prompt disaster response decision-making is suggested in this study. Through this study, the disaster and SOC facility-related data, which are being managed separately, can be collected and standardized. The integrated information required for the estimation of facility importance, risk, and damage can be provided. The suggested system is expected to be used as a decision-making tool for proactive disaster response.

Classification of Regional Export Freight Generation based on Geovisual Analytics (시각적 공간분석학 기법을 활용한 지역별 수출화물 발생패턴 유형화)

  • Lee, Jung-Yoon;Ahn, Jae-Seong
    • Spatial Information Research
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    • v.15 no.3
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    • pp.311-322
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    • 2007
  • Geovisual analytics is the new research area that looks fur the way to enable a truly synergetic work of human and visualization tool in analyzing spatio-temporal data. The research challenge for geovisual analytics is developing new geovisualization tools and enhancing human capabilities to analyse, envision, and reason a lot of spatio-temporal changes. With this research area, geovisual analytics is expected to be a new methodology for developing spatial decision support tools. This research is to integrate T scatter plot with computational method to classify the several patterns of the regional fright generation in Korea. The result of this work shows the capabilities provided by geovisual analytics to support spatial decision making.

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