• Title/Summary/Keyword: Spatial Linkage

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A Study on the GIS Analysis Techniques for Finding an Catchment Area by Public Transport at Railway Stations Using Transport Cards Big Data (교통카드 빅 데이터를 활용한 철도역의 대중교통 연계영향권 설정을 위한 GIS 분석 기법 연구)

  • Jin, Sang Kyu;Kim, Hawng Bae
    • KSCE Journal of Civil and Environmental Engineering Research
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    • v.36 no.6
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    • pp.1093-1099
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    • 2016
  • Currently, there are 499 metropolitan subway stations in Korea, but there are not many studies on the influence zone of linkage between railway station and public transport. Existing studies have been studied almost in terms of accessibility.. In addition, the existing research on the influence zone of linkage using survey data and statistics, there is a limit to the theoretical basis and analysis techniques. In this paper, we propose a new method to select on the influence zone of linkage, It is a GIS analysis technique using the spatial data of the railway station user as the large data of the traffic card. We applied the GIS analysis technique for select the influence zone of linkage based on the travel time of the network for each public transportation system. As a result, it was confirmed that the influence of the link of 15 minutes on the local bus, 20 minutes on the city bus and 25 minutes on the intercity bus were clearly distinguished according to the difference in network access time.

Basic Study on Spatial Optimization Model for Sustainability using Genetic Algorithm - Based on Literature Review - (유전알고리즘을 이용한 지속가능 공간최적화 모델 기초연구 - 선행연구 분석을 중심으로 -)

  • Yoon, Eun-Joo;Lee, Dong-Kun
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.20 no.6
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    • pp.133-149
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    • 2017
  • As cities face increasing problems such as aging, environmental pollution and growth limits, we have been trying to incorporate sustainability into urban planning and related policies. However, it is very difficult to generate a 'sustainable spatial plans' because there are trade-offs among environmental, society, and economic values. This is a kind of non-linear problem, and has limitations to be solved by existing qualitative expert knowledge. Many researches from abroad have used the meta heuristic optimization algorithms such as Genetic Algorithms(GAs), Simulated Annealing(SA), Ant Colony Optimization(ACO) and so on to synthesize competing values in spaces. GAs is the most frequently applied theory and have been known to produce 'good-enough plans' in a reasonable time. Therefore we collected the research on 'spatial optimization model based GAs' and analyzed in terms of 'study area', 'optimization objective', 'fitness function', and 'effectiveness/efficiency'. We expect the results of this study can suggest that 'what problems the spatial optimization model can be applied to' and 'linkage possibility with existing planning methodology'.

A Study on Spatial Characteristics of the Converging Technology Laboratory and Open-Lab System (융합기술연구소 실험공간의 특성과 오픈랩 시스템에 관한 연구)

  • Choi, Jin-Hee
    • Journal of the Korean Institute of Educational Facilities
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    • v.16 no.5
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    • pp.19-26
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    • 2009
  • This study attempts to find out the spatial characteristics of the converging technology laboratory. For this, the understanding of the nature of converging technology and its necessary system requirements are crucial. The foremost concern lies in the 'flexibility' of the laboratory space, i.e. 'open-lab system', because of the multi-disciplinary spatial arrangement which is supposed to be open to a number of different research fields in the same building cluster. From the case analysis, this study reveals that in order to maximize the adjustability, the module based space unit plan should be considered at the earliest stage. In addition, it is also found from the analysis that the linkage of the communication spaces such as seminar room, auditorium, lounge, rest room, dining room, and corridors should be dealt with a higher degree of sophistication, since these facilitate the interaction of information at the behavioral level.

Character for Spatial Distribution of Velocity Using Simple Hydraulic Data (기본적인 수리학적 자료에 의한 유속의 공간적 분포 특성)

  • Koh, Deuk-Koo;Choo, Tai-Ho
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.8 no.6
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    • pp.1560-1565
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    • 2007
  • In this study, Chiu's velocity distribution equation recently developed from the probability and entropy concepts is used to establish a linkage between the mean velocity obtained from the Manning's equation and the corresponding velocity distribution in a channel cross section. The linkage to be established enables computing the velocity distribution along with the mean velocity, from simple hydraulic data such as Manning's n, hydraulic radius and channel slope irrespective of including sediment or not.

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Structural and Spatial Characteristics of Daejeon Information and Communication Industry Network Applying the Social Network Analysis Techniques and Policy Implications Based on the Systems Thinking Approaches (사회네트워크분석을 활용한 대전 정보통신산업 네트워크의 구조적.공간적 특성과 시스템 사고를 통한 정책적 함의)

  • Song, Mi-Kyoung;Lee, Man-Hyung
    • Korean System Dynamics Review
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    • v.12 no.2
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    • pp.69-94
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    • 2011
  • Daejeon, encompassing Daedeok Science Town and Daedeok Innopolis, possesses the advantage of portraying relatively higher regional innovation capacity and facilitating network formation among regional professional research organizations. Applying the Social Network Analysis(SNA) techniques, this paper focuses on divulging structural and spatial characteristics of the Daejeon Information and Communication(ICT) industry network, analyzing co-research projects implemented by the Daejeon-based universities. For the analytical tool, it depends on NETMINER 3.0. Furthermore, based on the Systems Thinking approaches, this study suggests a couple of policy implications. Judging from the Korea Standard Industrial Classification principles, the existing ICT industry is subdivided into 11 sub-industries. The highest degree centralization value comes from the Mobile Communication sub-industry(188.668%), indicating that Mobile Communication sub-industry exerts the most significant impact on the regional innovation networking in Daejeon. Among various stakeholders, Korea Advanced Institute of Science and Technology(KAIST) records the top ranking in most categories, conspicuously leading the institute-industry linkage. In terms of the ICT spatial distribution, the intra-regional cooperation examples present the strongest linkage values, followed by Daejeon-the Capital Region ones. Finally, as well shown in a series of causal loop analyses, this study recommends that Daejeon should put top policy priority in strengthening the internal ICT network within Daejeon proper. Here, Daejeon should keep in mind the fact that there exist reinforcing loops between Daejeon's attractiveness and the entering of new ICT firms.

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The Boundary Delimitation of Busan Metropolitan Area using Network Analysis (네트워크 분석기법을 이용한 광역도시권 설정방안 - 부산광역권 설정사례를 중심으로 -)

  • Shim, Jae-Heon;Cho, Yeon-Ho
    • Spatial Information Research
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    • v.19 no.6
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    • pp.75-86
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    • 2011
  • This paper proposes a modified way to delimit the boundary of Busan metropolitan area and compares the empirical analysis with the existing metropolitan area boundary. More specifically, the present state of the metropolitan transportation network is reflected by service area analysis in our study area. The analysis of the linkage between the central city and its fringes considers various travel behaviors as well as commuting to work and school, based on origin-destination trip information. In addition, more diverse indices are applied to the analysis of urban characteristics, and the land cover map is used as well. Compared with the current Busan metropolitan area boundary, our empirical analysis captures the status quo of the undergoing spatial dynamics such as the newly form ed homogeneous sphere of living in our study area.

A Study on the Reference Model for Integrated Urban Spatial Information Management Platform (지능형 도시공간정보 통합플랫폼 참조모델 개발 연구)

  • Hong, Sang-Ki;Cho, Sung-Youn
    • Journal of Korea Spatial Information System Society
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    • v.11 no.4
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    • pp.19-27
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    • 2009
  • Integrated Urban Spatial Information Management Platform (USIMP) is defined as an operational environment where technologies for intelligent management of urban facilities are made possible through the integration of diverse technologies such as sensors for ground and underground facilities, middleware technology, wired and wireless network, GIS-USN linkage. To make the integration of these diverse technology possible, it is imperative to have a sound reference model for the platform. This paper provides a standardized reference model for USIMP based on the RM-OPD(Reference Model for Open Distributed Processing) standard.

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Spatial Construction and Functional Characteristics of Market Place in Seomjin River -Focused on Gokseong, Gurye, Soonchang, Okgok Market Place- (섬진강유역 장시의 공간구성과 기능 특성에 관한 연구 -순창·곡성·구례·옥곡장시를 중심으로-)

  • Park, Chung-Shin;Kim, Tai-young
    • Journal of the Korean Institute of Rural Architecture
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    • v.12 no.1
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    • pp.17-24
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    • 2010
  • This paper aims to clarify the spatial form and functional characteries of traditional market place in Seomjin river. The objects of this study are Gokseong, Gurye, Soonchang, and Okgok market place. The results are as follows. First, the form of the traditional market that it was open focusing on large open space of a village was maintained until now. Second, the spatial form of a market place surrounds market-shop located at the center of a market, and a permanent market-store is located in a line. Spatial element important for constituting a market place is three, market-shop, stall, and the mall of market place, and each spatial element is functioning in linkage. The unit space of market-shop is mainly determined by between pillars, and a store is opened. And the same type of industry adjoins, and market-shop's forms a fixed domain and is distributed. The stall is located with many kinds and forms at street mall, and it is taking charge of the important function of trade.

A Study on Inventory Construction and Utilization for Spatial Information-based Environmental Impact Assessment (공간정보 기반의 환경영향평가 확대를 위한 인벤토리 작성 및 활용 방안 연구)

  • Cho, Namwook;Lee, Moung Jin
    • Korean Journal of Remote Sensing
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    • v.35 no.2
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    • pp.317-326
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    • 2019
  • Development projects and related environmental impacts take place in space. Therefore, it is important to use spatial information in the environmental impact assessment process. This study proposes to construct spatial information produced by various organizations as an inventory and suggests it to be utilized in environmental impact assessment process. For this purpose, investigate the use of spatial information in the environmental impact assessment process and list of environmental space information provided by public information systems. and applied the methodology derived from previous studies to build an inventory of spatial information using environmental impact assessment. The spatial information utilized in the environmental impact assessment work was 64 items. Based on the data availability, linkage and renewability, the spatial information of the Environment that can be used for the environmental impact assessment was 45 items. Finally 49 items, including 19 new items were presented as an inventory, contributing to the performance of environmental impact assessment based on spatial information.

Study on the Environment Information Providing Method based on Spatial Information Document

  • Choi, Byoung Gil;Na, Young Woo;Kim, Sung Pyo
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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    • v.34 no.2
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    • pp.185-194
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    • 2016
  • The purpose of this study is to present a method to provide environment information based on spatial information document. At present, a lot of spatial information, including environment information, is being produced, but separate software or system is required for the user to acquire the information. In particular, in the case of environment information, various types of information are being produced, such as ecology, vegetation and measurement network data. Therefore, it is necessary to present the form and the making method of spatial information document that allows using environment information as spatial information without separate software or system. To provide spatial information document-based environment information, types and forms of environment information, data format and offering methods produced by the government, in particular, the Ministry of Environment and the local governments, are analyzed. 12 fields are classified and the form of produced data is GIS DB, measurement network data, text data and so on. With decrease of paper maps, spatial information document that offers display by layer, coordinate data, attribute data, distance and area measurement, location search by coordinates, GPS location linkage and location display on the map is presented to increase utilization of geo-environment information maps. Finally, the standard document specification based on spatial information document is presented in consideration of usability and readability in order to provide a variety of environment information without separate software or system.