• Title/Summary/Keyword: inter-regional network

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The Empirical Analysis for the Knowledge Network between Regions (지역간 지식연계망에 대한 실증적 고찰 - IMF 외환위기 기간(1996-2001)을 중심으로-)

  • Kim Yo Eun;Won Dong-Kyu
    • Journal of the Economic Geographical Society of Korea
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    • v.8 no.1
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    • pp.31-50
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    • 2005
  • The purpose of this study is to analyse the role of the inter-regional knowledge network in the knowledge based economic development of regions, using regional data collected over the IMF financial crisis between 1996 and 2001. In particular, the major questions about the inter-regional knowledge network in terms of regional innovation are as follows. First, how can be distinguished the inter-regional knowledge networks among the regions? Secondly, what is the relationship between the real object economy and the inter-regional knowledge network? To answer rho questions listed above, the social network analysis is used to examine the association between the intra-regional knowledge linkage structure and the change of the real object economy. For the empirical analyses, regional labour data for 16 Metropolitan Areas(Si) and Provinces(Do) from 1996 to 2001 are used. The findings of the study suggest that there is a significant positive relationship between the concentration of the inter-regional knowledge linkage and a rate of economic growth of the real object economy and that there is a negative correlation between the density and the standard deviation of the inter-regional knowledge linkage and the rate.

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Assessing Resilience of Inter-Domain Routing System under Regional Failures

  • Liu, Yujing;Peng, Wei;Su, Jinshu;Wang, Zhilin
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.10 no.4
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    • pp.1630-1642
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    • 2016
  • Inter-domain routing is the most critical function of the Internet. The routing system is a logical network relying on the physical infrastructure with geographical characteristics. Nature disasters or disruptive accidents such as earthquakes, cable cuts and power outages could cause regional failures which fail down geographically co-located network nodes and links, therefore, affect the resilience of inter-domain routing system. This paper presents a model for regional failures in inter-domain routing system called REFER for the first time. Based on REFER, the resilience of the inter-domain routing system could be evaluated on a finer level of the Internet, considering different routing policies of intra-domain and inter-domain routing systems. Under this model, we perform simulations on an empirical topology of the Internet with geographical characteristics to simulate a regional failure locating at a city with important IXP (Internet eXchange Point). Results indicate that the Internet is robust under a city-level regional failure. The reachability is almost the same after the failure, and the reroutings occur at the edge of the Internet, hardly affecting the core of inter-domain routing system.

An Analysis on Interlibrary Loan Network of Public Libraries in Gyeonggi Province (경기도 공공도서관 상호대차 네트워크 분석)

  • Ryoo, Jong-Duk
    • Journal of the Korean Society for information Management
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    • v.30 no.2
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    • pp.83-99
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    • 2013
  • The purpose of this study was to analyze ILL data in Gyeonggi province so that it could make a further analysis on current inter-regional network of book collection in ILL. In details, this study sought to analyze inter-regional network of ILL book collection among public libraries in Gyeonggi province to examine how a collection of books could be exchanged among those libraries, and analyze possible applications of task-based data in ILL. As a result, this study could verify that the further implementation of ILL across more detailed areas than current regions for the benefit of efficient ILL, if possible, would contribute to streamlining ILL practices.

Urban Dynamics in Northeast Asia and the Future of Korean Cities

  • Kim, Won-Bae
    • Journal of the Korean Regional Science Association
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    • v.15 no.2
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    • pp.75-102
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    • 1999
  • This paper attempts at analyzing the urban dynamics in Northeast Asia by looking at major forces transforming the regional structure of Northeast Asia. Trade and foreign direct invest-ment are identified as two principal channels of increasing economic interdependence in the region. In addition, macro development strategy and infrastructure policy are another set of determining factors for changes in the regional structure of Northeast Asia. To examine the role of cities and inter-city linkages, the paper first tries to identify major urban centers and urban hierarchy in Northeast Asia. Secondly, it examines the prospects for inter-city network formation. Against these anticipated changes in the regional structure and inter-city networks in Northeast Asia, the paper discusses about the future of Korea as well as the role of Koran cities in the regional economy of Northeast Asia.

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A Study on the Model of Inter-library Cooperation's Network in the Information of Library Materials (정보의 상호협력을 위한 네트웍모형에 관한 연구)

  • 권기원
    • Journal of Korean Library and Information Science Society
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    • v.4
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    • pp.39-60
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    • 1977
  • The purpose of this study is to build a model of inter-library cooperation's network in the information of library materials. Results of this study are 1. The YTational Assembly Library and the Central National I, ibrar:; should be unified. 2. The unified organization should be organized its cooperative quarter for itself (in the Central National Library). .And every library should he organized his quarter and personnel for the inter-library cooperation. 3. The cooperatior, organization in the re~ion should organized by the Regional Central Public Library. 4. In case of the Central National Library, financial problems required of the performance in the inter-library cooperation should he charged equally among the Central National Library, the library belong to the reader and the reader. In case of the regional Central Public Library, it should be charged equally arnozlg the regional Central Public Library, the library belon-g' to the reader and the reader. 5. The Regional Central Public Library in the seat of provincial government should be managed the cooperation's work of the individual library, and upward the unified Central Xarional Library should generalize. 6. The purchase of materials should be done by the character of the each library 1r:ith the assignment of the each subject should be decided in the meeting of the each library personne!. -2nd the budget for purchasing per the year should be decided on the minimum by the circumstances of the each library regionally. 7. The unified Regional Central Public Library in the seat of provincial government should be charged of the Union Catalog's expense regionally, and the Central National Library should be charged of that National Union Catalog's expense to cumulative the Fegional Union Catalog within a definite period of time. 8. Books without presentation of a specimen copy to the unified Central National Library should be purchased, and r.cr 'oe included to the National Union Catalog. 9. The cooperation of the each library should be decided on the law, and considered the character of the each region.

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The Analysis on the Spatial Characteristics and Inter-organizational Network Structure Change in the Creative Industry: Focused on Design Industry (창조산업의 공간적 특성과 기관별 네트워크구조 변화 분석 : 디자인산업을 중심으로)

  • Choi, Hae-Ok
    • Journal of the Economic Geographical Society of Korea
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    • v.15 no.1
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    • pp.116-130
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    • 2012
  • This study focuses on analyzing the design industry in creative industry in the context of upbringing growth engine of regional development policy and strategy. This research probe the spatial characteristics and inter-organizational network structure change from 2000 to 2010 using social network analysis(SNA) in terms of structural, spatial and temporal aspects. first, with the statistical data of design industry, this research evaluate spatial distribution and agggglomeration compared with 16 cities and 7metropolitan scales in Korea. Next, the group of density in the knowledge network of design industry explained with the spatial characteristics and inter-organizational network evolution in time series. After considering the government policy and strategy providing as a result of establishing regional innovation center strengthen cooperation among industry-university-research center.

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A STRUCTURAL ANALYSIS OF INTER-LIBRARY NETWORKS: A REGIONAL ILL NETWORK IN THE WESTERN NEW YORK 3Rs REGION (도서관 네트워크의 구조적 분석)

  • 유사라
    • Journal of the Korean Society for information Management
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    • v.6 no.1
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    • pp.37-56
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    • 1989
  • This study is a structural analysis of a multi-type and multi-level library network within the framework of a regional interlibrary loan (ILL) system. The study monitored to information network structure for resource sharing of academic and research library materials transmitted through the ILL. The local flow of academic and research information was measured by a survey of the filled ILL transactions by individual libraries in the Western 3Rs region. The major findings were as follows: 1) the regional ILL network showed less than half of participation of the total subject libraries, 2) existing structure surveyed was identified as a composite centralized network with three communication groups, 3) depending on the types of materials transacted, the structure were changed, 4) statewide and multi-state library cooperatives had direct interactions with some of the local libraries, 5) individual libraries participated in the ILL network more for periodicals than book materials, 6) academic libraries throughout the total six structure analyzed showed the highest percentage of participation.

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Analysis on the Inter-Industry Network between the Service Industry in the Korean Capital Region and 10 Industrial Sectors in 20 City-Regions of China-Japan-Korea (한국 수도권 서비스업과 한·중·일 20개 도시지역 내 10개 산업부문과의 산업 간 네트워크 분석)

  • Han, Jihye;Kim, Kabsung;Jung, Hayoung
    • Journal of the Korean Regional Science Association
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    • v.32 no.4
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    • pp.51-73
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    • 2016
  • Considering the intensified ties between Korean service industry and the other industries in China and Japan, this study empirically analyzes the inter-industry network between the service industry in the Korean capital region and 10 industrial sectors in 20 city-regions of China, Japan, and Korea(CJK). Firstly, unit structures are constructed based on the estimated CJK interregional input-output tables to understand the production connection. Moreover, the reorganized unit structures are visualized as networks and examined from various angles. As the results of the analysis, the inter-industry network of the service industry in the Seoul Metropolitan Area is still mostly dependent on domestic industries, especially on manufacturing industry, while it shows the tendency to be weakly connected to the industries in Chinese and Japanese city-regions.

Analysis of Regional Centrality by Investigating Direct and Indirect Flows of Commuters (통근통행에 의한 직·간접 흐름을 이용한 지역의 중심성 분석)

  • Lee, Jong-Sang;Seo, Ducksu
    • Journal of Agricultural Extension & Community Development
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    • v.27 no.3
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    • pp.125-134
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    • 2020
  • The regional centrality plays a very important role in national and regional planning and it is measured by data such as people, goods, and information flows among regions. The inter-regional flows are usually considered by only direct flows, yet indirect flows, which are generated accordingly from direct flows, are not critically considered. Most centrality studies have also hardly reflected the indirect flow in the network analysis. This study demonstrates the significance of the indirect flows to enhance accuracy of the regional centrality. The nationwide dataset of inter-regional commuter traffic matrix is used in this study and analysed into two groups; one to consider only direct flow and the other both direct and indirect flows. The results indicate remarkable differences of centrality raking between two groups such as Yeongam of Jeonnam Province(+60th), Eumseong of Chungbuk Province(+57th), Gwacheon of Gyeonggi Province (-35th), and Nowon of Seoul (-32nd). It clearly shows the significant influence of indirect flow for regional centrality study. This also reveals regional centrality ranking in Korea by considering direct and indirect flows of commuters. Jung, Gangnam, and Jongno of Seoul are categorized in the highest rank group and Ulleung of Gyeongbuk, Ongjin of Incheon, and Jindo of Jeonnam are in the lowest group. The top group includes seven districts of Seoul, two of Busan, and one of Gyeonggi Province. The bottom group includes mostly island and costal areas. As this study shows an accurate method of centrality measurement, it has a significant implication to lead an effective regional planning.

Inter-city Flight Connectivity and Polycentricity in the Yeongnam Region (영남권 도시 간 화물 연계성과 다중심성)

  • Choi, Byung-Doo;Song, Minjeong
    • Journal of the Korean association of regional geographers
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    • v.21 no.1
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    • pp.39-61
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    • 2015
  • This paper reviews literature on urban connectivity, and reconsiders the concept of polycentric urban region and its analysis methods, and then, applying them, explores the inter-city flight connectivity and polycentricity in the Yeongnam Region. As results of analysis, it has been identified that the entropy index shows a relatively dispersing pattern of the urban network of the region, and that the dominance index reveals a more polycentric (that is, less hierarchic) character of the region than that of the Capital Region, while some differences are found among individual cities in the symmetry of connectivity and the dominance and/or dependence index. Even though flows of products in textile, basic metals, and automobile industries in sub-divisions of manufacture appear a pattern of concentring into the first central city, the urban network of the Yeongnam Region in general can be characterized as a polycentrism, and policy for polycentric regional development would be suggested.

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