• 유통과학연구
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• 제16권9호
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• pp.35-41
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• 2018

Purpose - The purpose of was paper is to do a conceptual analysis of the determination of local superior commodities using the location quotient technique and an analysis of the contribution of superior products to the regional economy. The results of determining superior commodities are used to determine regional product specialization and its contribution to the regional economy. Local superior commodities are dynamic and selected based on the potential to increase regional income. Research design, data, and methodology - This study used location quotient techniques and regional economic analysis with annual data rocks, production data in the agriculture, plantation, fishery and forestry sectors. Local superior commodities are calculated to contribute to regional economists. Result - The findings obtained showed the location quotient technique can determine local superior commodities and local superior commodities contributed positively to the regional economy. The test results were carried out in Jember Regency, East Java Province, Indonesia. Conclusion - The ass well main commodities of Jember Regency are tobacco. Tobacco commodities contribute positively to the regional economy, they were not significantly due to affected by the low of commodity prices in harvest. The low prices indicate the strength of the weak bargaining position of farmers towards the market.

• 한국컴퓨터정보학회논문지
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• 제25권7호
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• pp.93-101
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• 2020

차량통신에서 지역별 CRL은 각 CRL의 사이즈를 최소화하기 위해 Full CRL을 다수의 지역별 CRL로 분할한다. 그러나 지역별 CRL은 해당 영역 내에 있는 차량의 취소된 인증서만을 포함해야 하므로 해당 영역에 있는 차량의 위치를 파악해야 한다. 따라서 분할된 영역에 속한 차량의 위치를 효율적으로 파악하는 것이 매우 중요해진다. 본 논문에서는 차량의 위치를 효율적으로 파악하고 차량의 현재 위치를 기준으로 지역별 CRL을 만드는 기법을 제안하였다. 이 기법은 WAVE 표준에 정의된 단기 익명인증서를 활용하며, 차량이 익명인증서를 리필할 때마다 생성된 단기 인증익명인증서, 차량 ID, 지역 정보를 수집하고, 이 정보들을 활용하여 지역별 CRL을 생성하고 배포한다. 그리고 네트워크에서 차량의 위치정보를 보호하기 위해서 블록체인 기술을 사용한다. 분석 결과 제안한 기법은 CRL 사이즈를 줄이고, 차량 위치 프라이버시를 보호하며, 차량의 OBU에서 취소된 인증서를 조회하는 시간을 크게 줄일 수 있다.

• 한국컴퓨터정보학회논문지
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• 제21권1호
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• pp.91-99
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• 2016

A certificate revocation list(CRL) should be distributed quickly to all the vehicles in the network to protect them from malicious users and malfunctioning equipments as well as to increase the overall security and safety of vehicular networks. However, a major challenge is how to distribute CRLs efficiently. In this paper, we propose a novel Regional CRL distribution method based on the vehicle location registration locally to manage vehicle mobility. The method makes Regional CRLs based on the vehicles' location and distributes them, which can reduce CRL size and distribution time efficiently. According to the simulation results, the proposed method's signaling performance of vehicle's registration is enhanced from 22% to 37% compared to the existing Regional CRL distribution method. It's CRL distribution time is also decreased from 37% to 67% compared to the existing Full CRL distribution method.

• 지역연구
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• 제31권3호
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• pp.55-77
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• 2015

이 연구의 목적은 수도권 시군구별 입지요인이 제조업 기업들의 생애주기에 미치는 영향을 실증분석 하는 것이다. 한 기업도 가구와 마찬가지로 일련의 생애주기를 갖는다. 기업의 생애주기를 선행연구에서는 기업통계(firmography)로 정의하고 있으며, 이를 생성, 성장, 쇠퇴, 소멸의 단계로 구분하였다. 이 연구에서도 기업의 생애주기 단계를 동일하게 적용하였으며, 제조업 기업들을 대상으로 경공업과 중공업, 첨단제조업으로 구분하여 분석하였다. 수도권 시군구별 입지요인은 도시규모와 교통접근성, 사회 경제특성, 수도권 권역구분으로 구분하여 총 12개의 입지요인을 독립변수로 적용하였다. 분석결과, 경공업과 중공업, 첨단제조업 기업별로 기업의 생애주기에 미치는 유의미한 입지요인이 차이가 있었으며, 입지계수 또한 각각 다르게 나타났다. 이 연구결과는 기업유치를 통해 일자리를 늘리려는 지자체에서 신규기업의 생성뿐만 아니라 기존 기업의 성장을 도모하는 정책을 수립하는데 있어서 중요한 기초자료가 될 수 있을 것으로 기대된다.

• Journal of Korea Trade
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• 제24권3호
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• pp.20-36
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• 2020

Purpose - As the global product network expands through both internationalization and diversification of the multimodal transportation system, corporate strategies have shifted to emphasize the importance of a high value-added international logistics system. To guide policies and strategies to attract relevant industries, this study aims to analyze the location competitiveness of regional logistics distribution center to serve Northeast Asia. Design/methodology - Multi-criteria techniques are considered to offer a promising framework for evaluating decision-making factors. This paper employed an analytic hierarchy process to analyze the hierarchal structure of determinants for selecting the location of a regional logistics distribution center. Adopting both qualitative and quantitative evaluations, this study suggest political implications for a regional logistics distribution center development, such as the direction of political support, service differentiation and infrastructure development. Findings - This study developed a location competitiveness evaluation model, based on the case study of the major port-cities in Northeast Asia. Evaluation model incorporates five factors underpinning 17 components extracted using factor analysis. The results revealed that the logistics factor is the most significant factor for evaluating the competitiveness of a regional logistics distribution center. The remaining factors were market, costs, and services environment. Comparing qualitative and quantitative evaluations, results provide useful insights for a regional logistics distribution center development in Northeast Asia. Originality/value - This study revealed differences between qualitative and quantitative evaluations. The finding implies that prior works on evaluation models of competitiveness has not successfully measured the gap between quantitative data and expert' evaluations. To overcome this limitation, this paper considered both actual data such as actual distance, cost, the number of companies located, and expert opinions.

• 한국방재학회:학술대회논문집
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• 한국방재학회 2007년도 정기총회 및 학술발표대회
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• pp.579-582
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• 2007

In this paper, the inundation simulations were carried out by using GIS tools for the analysis of detention efficiency based on the results of runoff analysis according to location and scale of regional detention facilities. The inundation maps could be drawn by the inundation simulations, and the locations and magnitude of inundation areas could be estimated through the inundation maps. The inundation simulations with GIS tools are approved to be the one of the useful method in designing optimized location and scale of regional detention facilities.

• 지역연구
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• 제10권2호
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• pp.61-71
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• 1994

Despite of being the criteria to choose the efficient and reasonable alternatioves inactual planning process, the measure of accessibility rarely has applied to practices because each model has unexplicity concept of it and limitations in itself. Accessibility implies transportation system which offers opportunity of movement to overcome spatial separation and, simultaneously, land-use system which represents the location of each activity. Therefore, measures of accessibility have to represent the attractiveness of locations and the interactions of activities, that is, land-use and transportation, with an index. Considering that urban activity is based on the economic efficiency, costs and benfits, accessibility means the economic efficiency of the location of activity and the travel in view of land-use and transport repectively. Combined models that measure accessibility with considering land-use and tranportation simultaneously depend on reasonable concepts, but it is too simple for them to explain the accessibility which resulted from complex interaction of urban activities. Combined urban activity model developed by Kim (1983) and Rho (1989) explains the characteristics of activities in each regions and urban strcture in economic general equilibrium states in the long term of urban system. This model measures a regional accessibility with a dual variable which means the location surplus. This is a more systematic and comprehensive model for calculating the regional accessibility because it considers the interaction of each activity in urban system. It needs efforts to apply the accessibility index as a criterion in actual planning process through finding and quantitification of other explanatory variables to measure it in combined urban activity model.

• 한국경제지리학회지
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• 제5권2호
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• pp.137-155
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• 2002

본 연구는 전남 여천시에 입지한 여천산단을 사레로 공업단지의 입지가 지역변화에 미친 영향을 고찰하였다. 여천산단은 1970년대 초반 국가주도의 공업개발계획의 일환으로 건설되어 우리나라의 대표적인 석유화학공업단지로 성장하였다. 여천산단의 입지는 지역의 인구성장과 도시발전 그리고 지역의 산업구조와 고용구조 변화에 커다란 영향을 미쳤다. 여천산단의 입지로 인하여 여천지역의 경제구조는 농수산업 중심에서 제조업 중심으로 개편되었고, 지역의 제조업 구성에서 석유화학 관련제조업이 매우 높은 비중을 차지하였다. 또한 여천산단의 입지가 지역내 고용 및 산업구조에 미친 영향을 분석하기 위해 변이할당분석과 지역성장률 시차분석을 실시한 결과, 제조업과 건설업이 1987년 이후 지역의 고용성장에 커다란 파급효과를 제공한 것으로 나타났다. 그리고 여천산단의 입지는 여천시뿐만 아니라 인접한 여수시와 여천군의 경제구조변화에도 영향을 미친 것으로 밝혀졌다.

• 대한지리학회지
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• 제38권
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• pp.37-59
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• 1988

The aim of this study is to investigate the influence of the technological changes on locational changes on the assumption that technological changes cover over all industrial sectors. The study is carred on 1) To investigate the theoretical backgrounds of the technological and locational changes and their problems. 2) To investigate the location and economic characteristics of the Korean textile industry. 3) To investigate the technological development and regional variations in technological level. 4) To the relationship of the technological change to the location of the textile industries. The locational change of the Korean textile industries have been closely related to economic characteristics. In the begining stage of development in the 1950's, thetextile industries were largely concentrated in the major cities(Seoul, Pusan, Taegu, Masan et. al.). In the growing stage of development in the 1960's, the textile industries were relocated in suburban areas with the trend of large corporations building their branch plants of chemical fibers in the suburbs. With the expansion in the export industry in the 1970's, the textile companies were distributed throughout the whole country. But the research and development(R&D) activities caused the textile industries reconcentrate around Seoul and Pusan, owining to the change of the economic environments in the 1980's. The 1980's have witnessed the increased R&D investment for the development of better new and value-added products. This was because the technological level was much higher than that of Taegu and Other regions. What is more, plant birth location and branch plant location support that locational changes of textile industry were caused by technological changes. Plant birth location put stress technological environments of region, compared with branch plant locaiton. Accordingly, the technological changes of industry can be an important factor in locational changes. Through this study, it can be seen that locational changes come from technological changes. Other locational factors influence the industrial locations, but regional variations in technological level which has been relatively ignored has to be considered on the location study. Together with the accomplishments of existing location study, the study on technological change and location can better explain the location phenomena. And further research on technological change and location can provide better policy implications for regional development.

• 한국경제지리학회지
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• 제14권4호
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• pp.628-641
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• 2011

본 연구는 신산업으로서 광산업(photonics industry)과 광주 광산업 집적지의 성장에 관심을 두고 국내 광산업 성장의 지역적 특성을 탐구하였다. 연구를 위해 광산업 성장의 행위주체 기반이 되는 광산업체와의 심층면담을 토대로 광산 업체의 입지와 사업네트워크를 살펴보았다. 이를 통해 신산업인 광산업의 성장과 함께 광산업을 전략산업으로 육성하고자 하는 지역산업육성정책의 의미를 되짚어보고자 했다. 연구 결과, 시장과 정책의 이점으로 대비되는 수도권과 광주에서 광산업의 차별적 성장을 관찰할 수 있었다. 광산업을 육성하려는 광주의 지역산업육성정책은 다양한 지역주체들의 공감대 형성, 산업발전의 원천이 될 모멘텀과 다양성 부여의 측면에서 의미를 갖는다고 보겠다.