• Proceedings of the Korea Information Processing Society Conference
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• 2016.04a
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• pp.396-398
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• 2016

최근 벤더의 운영체제 지원 종료에 따른 보안 문제와 그로 인한 개인 정보 침해등 피해가 발생되어 전세계적으로 문제가 대두되고 있다. 세계 각국이 벤더와 연장 지원 계약을 하는 등 발빠른 대처를 하고 있으나, 근본적인 문제의 해결은 아직 미흡한 실정이다. 이를 위해 사용자, 벤더 그리고 정부가 운영체제 지원종료로 인한 사회적 문제에 대한 인식이 필요하며, 특히 운영체제를 생산 및 공급하며 지원의 의무를 가지는 벤더와 사회의 안전에 대한 책임을 갖는 정부의 역할에 대해 연구하였다.

• Nuclear industry
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• v.17 no.1 s.167
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• pp.11-16
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• 1997

울진 5$\cdot$6호기의 주기기 공급 및 종합 설계 용역에 대한 계약이 96년 11월 22일 한국전력공사와 한국중공업(주) 및 한국전력기술(주)간에 각각 체결되어 사업추진을 위한 골격이 마련되었다. 울진 3$\cdot$4호기 인접 부지에 1,000MW급 가압 경수로(PWR)로 건설될 울진 5$\cdot$6호기는 97년 10월에 착공에 들어가 5호기는 2003년 6월에, 6호기는 2004년 6월에 각각 준공될 예정인데, 총 6년 9개월의 건설 기간에 총공사비 3조3천억원이 소요될 전망이다. 국내 기술진 및 연인원 1,000만명의 건설 인원을 동원하여 건설하게 될 울진 5$\cdot$6호기에 대한 사업 특성, 추진 경위, 사업 추진 체계, 설계 내용 등을 살펴본다.

• Proceedings of the Korean Society of Computer Information Conference
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• 2011.06a
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• pp.143-147
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• 2011

집단급식사업을 할 때 재료의 신선한 공급을 위한 신속성, 음식의 매출액과 재료비, 인건비, 경비 등의 관련비용 집계에 대한 정확성과 기업회계 결산에 대한 어려움이 있다. 집단급식사업은 통신과 컴퓨터를 이용하여 유통 ERP를 구축하고, 사업장을 여러 군데로 확장하여 정확한 정보의 집계와 전달에 관한 연구가 필요하다. 본 논문에서는 집단급식사업의 유통 ERP를 연구하고, 구축 운영하여 급식 매출과 원가의 요소를 집계한다. 또한 집단급식사업장 단위의 매출액에 대한 재료비, 인건비, 경비 등 요소를 집계하고, 급식 자재의 유통을 위한 구매 발주와 낙찰된 식자재의 계약과 결과 값으로 예측 Simulation하여 본다. 집단급식 사업장 단위에서 마감되면 시도 단위와 전국 단위의 자산 및 손익 계산을 하는 ERP를 연구한다. 본 논문 연구를 통하여 집단급식사업의 ERP 발전과 물류 유통 산업 발전에 기여하게 될 것이다.

• Journal of Korea Society of Industrial Information Systems
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• v.27 no.1
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• pp.135-146
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• 2022

A safe working environment is an important and crucial factor in the operation of a firm, and is also essential for logistics companies in supply chain management. This study confirmed that the safety climate and safety prevention activities have a positive relationship with safety behavior from the perspective of domestic small and medium-sized logistics companies that continue their business relationships by signing contracts with large logistics companies. In addition, the moderating role of regulatory uncertainty and competition uncertainty in the previous positive relationship was empirically examined.

• Proceedings of the Korea Information Processing Society Conference
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• 2022.11a
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• pp.141-143
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• 2022

풍력 설비 공유 플랫폼은 풍력발전에 참여하고 있는 기업들간에 보유하고 있는 설비나 부품에 대한 정보를 공유하도록 지원해 주는 플랫폼이다. 이를 위해 내 설비관리, 고장이력 관리, 설비공개 현황, 내 계약 현황 기능을 구현하였다. 풍력 설비 공유 플랫폼을 통해 발전소 설비에 문제가 발생했을 시, 주변의 다른 발전소에서 보유하고 있는 예비 부품을 빠르게 공급받을 수 있도록 지원해 줄 뿐만 아니라, 고장이 빈번한 부품에 대한 구매정보, 고장이력정보 등을 사전에 구축 할 수 있도록 관리해줌으로써 추후 문제 발생 시 빠른 대응이 가능하다.

• Journal of Distribution Research
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• v.16 no.5
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• pp.123-140
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• 2011

This study analyzed large distributors' trade features with local suppliers and their direct purchase features through the survey and the interview targeting some MDs(Merchandisers) in large retailers responsible for buying fresh foods (agricultural, fishery, livestock and proceeded products). As the result of conducting the survey targeting the large purchase MDs, it was found that when they select local suppliers, they importantly consider the factors of stable products supply, the quality management, the aggressive management attitude, the affordable (cheap) price, and the suggestion of differentiated goods in order. Concerning their direct purchases in local places, their preference toward the direct-purchase traders were higher than that toward vendors and whole markets as their existing major traders. Among the traders for direct purchase, they preferred farm corporations (including agricultural corporations) the most, and followed the National Agricultural Cooperative, and the unit agricultural cooperative in order. Regarding to the trades with suppliers, when they set the trade price, the merchandisers (MDs) of large distributors preferred long-term trades over 2 years, and utilized the factors of market rate(50.9%), production cost(31.2%) and sale price in the same industry(18.0%). For the local distribution organizations to aggressively counteract the changes of distribution environment in the consumption places, it needs some strategies to organize the agricultural production, to expand the production size and to specialize the distribution channels. And the supply system's continuality and stability are required, so it needs to establish the counteract system enabling to supply all year round through the link of production organizations. Additionally, as an effort to intensify the market negotiation ability, it should collect various market information from the consumption places.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.21 no.2
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• pp.470-478
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• 2020

In this paper, a theoretical model that separates one single conversion factor into two conversion factors for both outpatients and inpatients is introduced. By using hypothetical numbers, two conversion factors and an adjustment factor were calculated. The major implications are as follows. Firstly, by introducing two conversion factors, a minimum incentive mechanism for admitting outpatients to a clinic and high risk inpatients to a hospital was installed. Secondly, the introduction of two conversion factors decreased the drive to admit outpatients to a hospital by reducing the economic benefits for the hospital. Thirdly, it is possible to make explicit contracts for several factors rather than a single conversion factor, so that it can be used as an appropriate management tool for rapidly increasing medical expenses. Finally, this research can be used to set up policy tools to establish a proper healthcare delivery system in Korea by inducing behavioral changes in healthcare institutions.

• Journal of Korea Port Economic Association
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• v.30 no.2
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• pp.145-172
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• 2014

Automobile industry has several characters such as high level of specialization, large volume of production, which plays a big barrier to entry of the industry. Therefore logistics outsourcing of automobile manufacturing company tends to make long-term contract with logistics service provider which also makes it difficult to outsource their logistics business to many different types of companies. Some vehicle manufacturing companies tend to outsource their several logistics to several companies while others outsource very limited number of logistics companies even only one company exclusively. This study aims to investigate various type of logistics outsourcing in terms of advantages and disadvantages and then carry out case study for Hyundai Glovis which is a global logistics company managing logistics service of Hyundai car maker in Korea. The focus is on how it can provide innovative and efficient logistics service with integration of global supply chain of Hyundai Automobile company.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.17 no.9
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• pp.112-119
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• 2016

This study aims to examine propping by the controlling shareholders and the corporate value of Korean firms with agency problems and propping perspectives. Propping refers to a transfer of resources from a higher ownership firm to a lower ownership firm, in order to prevent the latter from going bankrupt. This study used a sample of 4,077 companies listed on the KRX data exchange from 2004 to 2014. We used proxy variables such as long-term supply contracts, asset and business sales, credit facilities, loans, and equity investments to affiliates as wealth transfer instruments of the controlling shareholders. We found that propping occurred by the equity investment of affiliates in Korean firms. Also, we found that the Korean firm's value was decreased by the affiliate equity investment.

• Journal of Digital Convergence
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• v.17 no.7
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• pp.131-138
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• 2019

The world's electricity production ratio is 40% for coal, 20% for natural gas, 16% for hydroelectric power, 15% for nuclear power and 6% for petroleum. Fossil fuels also cause serious problems in terms of price and supply because of the high concentration of resources on the earth. Solar energy is attracting attention as a next-generation eco-friendly energy that will replace fossil fuels with these problems. In this study, we test the charge-operation plan and the discharge operation plan for peak-cut operation by applying the maximum power demand reduction simulation. To do this, we selected the electricity usage from November to February, which has the largest amount of power usage, and applied charge / discharge logic. Simulation results show that the contract power decreases as the peak demand power after the ESS Peak-cut service is reduced to 50% of the peak-target power. As a result, the contract power reduction can reduce the basic power value of the customer and not only the economic superiority can be expected, but also contribute to the improvement of the electric quality and stabilization of the power supply system.