• Proceedings of the Korean Operations and Management Science Society Conference
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• 2007.11a
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• pp.104-107
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• 2007

In this paper, we propose the coordination scheme in a single-manufacturer-multiple-retailer supply chain system. Traditionally, the bargaining power of the single manufacturer is superior to those of retailers. The business environment supported by the e-business scheme may give rise to new business behavior. The multitude of retailer requests the manufacturer to relax the his unilateral lot-sizing policy while they are willing to compensate more than the manufacturer's expected loss caused by abandon his superior bargaining power. The side payment aggregated by the multiple retailers is transferred to the manufacturer according to the degree of the manufacturer's relaxation from the current unilateral lot-sizing policy.

• Journal of the Korean Operations Research and Management Science Society
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• v.36 no.1
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• pp.69-84
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• 2011

In this study, based on the principal-agent paradigm, we investigate a joint cost reduction activity in a buyer-supplier supply chain where a buyer motivates its operations department and a supplier to reduce the supply chain's production cost. We construct a benefit-sharing model based on the target cost scheme, a basic philosophy in practice which has not been explored in previous studies. The model also incorporates various supply chain issues such as the cooperation of multiple agents, the opportunity loss, and the degree of strategic relationship between the buyer and the supplier. Based on the analysis of the principal-agent model, we investigate the benefit-sharing rule to control agents' actions, and we also provide important managerial implications into supply chain practices via extensive comparative static analyses.

• Journal of the Korean Operations Research and Management Science Society
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• v.31 no.1
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• pp.25-36
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• 2006

Consider a supply chain in which a vendor supplies a product to a buyer. We assume that the buyer's and vendor's inventory cost structures are different, resulting in differences in inventory order/delivery cycle times. Here, if one party insists on its individually optimal order/delivery quantity, the other party will suffer from mismatches in cycle times. Under this scenario, coordination contracts that make use of either a Net Term/Two parts Term Trade Credit or a Quantity Discount are designed to align individually optimal order Quantities. We compare and analyze the perform ances of these contracts. The focus of the comparison is the ability of contracts to generate a lower cost for the supply chain. We show that a Trade Credit policy can be effectively used to coordinate a supply chain. In many cases it will result in a lower supply chain cost compared to that achieved by using a Quantitative Discount policy.

• Proceedings of the Korea Multimedia Society Conference
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• 2003.11a
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• pp.25-27
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• 2003

최근의 기업의 업무관련 네트워크가 인터넷의 발달, 글로벌(Global)경영, 전자상거래의 발달 등으로 인하여 전용선을 구축하여 인트라넷(Intranet) 환경에서 처리하던 업무들을 엑스트라넷(Extranet) 환경으로 확장하게 되었다. 엑스트라넷은 해당 기업의 여러 지사뿐만 아니라, 제조업체, 공급업체, 협력업체, 고객, 다른 비즈니스업체들과 안전한 공유를 위해서는 꼭 필요하다. 그러나, 이러한 엑스트라넷 구성은 비용적인 측면과 보안적인 측면 모두 고려해야된다. 현재의 추세는 기존의 공중망을 이용하여 사설망처럼 사용하는 VPN(Virtual Private Network)를 구성하고 있다. 본 논문에서는 리눅스기반하에 IPsec 프로토콜을 사용하여 VPN을 구성할 수 있는 freeS/WAN과 방화벽기능을 하는 패킷 필터링(Packet Filtering) 프로그램인 iptables를 이용하여 비용적 부담이 적고 안전한 엑스트라넷을 구성하고자 한다.

• Korea Trade Review
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• v.48 no.3
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• pp.243-262
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• 2023

This study provides a systematic review of smart trade contracts, examining the research trends and theoretical background of utilizing smart contracts and blockchain technology for the digitalization and automation of trade contracts. Smart trade contracts are a concept that applies the automated contract system based on blockchain to trade-related transactions. The study analyzes the technical and legal challenges and proposes solutions. The technical aspect covers the development of smart contract platforms, scalability and performance improvements of blockchain networks, and security and privacy concerns. The legal aspect addresses the legal enforceability of smart contracts, automatic execution of contract conditions, and the responsibilities and obligations of contract parties. Smart trade contracts have been found to have applications in various industries such as international trade, supply chain management, finance, insurance, and energy, contributing to the ease of trade finance, efficiency of supply chains, and business model innovation. However, challenges remain in terms of legal regulations, interaction with existing legal frameworks, and technological aspects. Further research is needed, including empirical studies, business model innovation, resolution of legal issues, security and privacy considerations, standardization and collaboration, and user experience studies to address these challenges and explore additional aspects of smart trade contracts.

• Journal of the Korean Geographical Society
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• v.51 no.2
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• pp.235-253
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• 2016

China has been developing a new auto industry growth plan since 2004. In line with this initiative, China actively adopted its policy favoring foreign companies' investment which had a competitive edge over their technologies and manufacturing methodologies. To meet this demand in policy and market change, many foreign auto companies and their parts' manufacturers including Korean auto companies joined this stream. Policy change favoring higher technologies applicable in China requested auto companies' swift adaptation to meet the policy requirements by higher technologies with innovation and introduction of those foreign technologies to China. The spatial (excellence) strategy was followed by the increase in its efficiency and competiveness of each region, which were materialized by or in the form of; Firstly, strategic partnership with China auto companies and encouragement of Korea auto parts manufacturing companies to set up its own factories in China. Secondly, modularization and platform sharing strategy by applying enhanced technologies. Thirdly, strategic utilization of China local government's incentive policies. As production management methodology, JIS was adopted all across the board to meet the on-demand market requirements in the manufacturing processes. Auto part manufacturers had been integrated regionally based on forward linkages and modules. As a result, regional-specific auto industry complexes have been made in the places such as Beijing-Hyundai in the north, Dongfeng-Yueda-Kia in the south, common auto parts at central area like Qingdao, and other parts and raw materials in the vicinity of Shanghai.

• Journal of the Korean Association of Geographic Information Studies
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• v.10 no.4
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• pp.35-45
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• 2007

Currently, the necessity of inter-system integration and sharing system increases to additionally construct and efficiently utilize the geographical information data in accordance with the increase in demand for geographical information. The provision of the data within the domestic sharing system is led by the tasks within national geographical information distribution network or intra-local governmental combined system. However, any voluntary geographical information sharing cooperation body is increasingly required with the increase in necessity of administrative cooperation among neighboring metropolitan areas, including space planning and development. Accordingly, this study is aimed at looking into the constitutions and roles of cooperation bodies within metropolitan areas by the composition, distribution, update and management of data with special regard to overseas advanced cases whose sharing systems and their effects are highly evaluated, and at presenting any model of the domestic future voluntary sharing cooperation organization within metropolitan area.

• Journal of Korea Society of Industrial Information Systems
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• v.10 no.1
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• pp.81-88
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• 2005

The POS system has been developing into an co-operational information integration system, enlarging its range of application - from basic data collection to production information, inventory management and customer service. The POS system will increase operation efficiency. It is my suggestion that POS system should be adopted in domestic industries regardless of increasing adoption of the RFID. This paper was made studied of the POS system and the practical use of POS system in order to maximize the efficiency of inventory management for various companies.

• The Journal of Society for e-Business Studies
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• v.14 no.4
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• pp.267-286
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• 2009

Most companies in automobile part industry need a SCM (Supply Chain Management) system under the cooperation with suppliers for assembling a automobile. Automobile part industry has a industry feature of hierarchical structure like 1st, 2nd, 3rd vendors. Recently, new cases to implement RFID (Radio Frequency Identification) technology appear in various areas required for integrated information system. Especially, supply chain environment in automobile part industry turns toward ubiquitous computing environment. Most companies in automobile part industry are interested in implementing RFID-based supply chain management system, which makes them shorten the business process, share the transaction information, and enhance the collaborative relationship between trading partners. This paper intends to implement RFID technology in the physical distribution area of automobile part industry such as warehousing, delivering, inventory management. The purpose of this paper is to improve the collaborative relationship of supply chain network using RFID applied to u-SCM system in ubiquitous computing environment. The contribution of this paper is to suggest a new system approach to transform existing business process into new business process through designing and implementing a RFID based SCM system using UML techniques.

• Proceedings of the Korean Society of Broadcast Engineers Conference
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• 2010.07a
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• pp.331-334
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• 2010

우리나라의 방송콘텐츠 시장은 2012년까지 연평균 성장률 3.5% 수준에 머무를 것으로 전망되고 있다. 원인으로는 콘텐츠 산업의 높은 파급효과에도 불구하고 영세한 제작환경 및 유통구조로 인해 양적/질적 측면에서의 낙후성을 벗어나지 못하는 것을 들 수 있다. 이는 경쟁 활성화를 가로막는 규제제도, 방송통신 플랫폼 사업자와 콘텐츠 제작자간 불공정 거래, 콘텐츠 제작자의 영세성 등에 기인한다. 이러한 우리 방송 환경을 고려할 때 신디케이트 도입은 성숙되지 않은 콘텐츠산업에 새로운 동력을 공급하는 계기가 될 것이다. 이러한 신디케이트 중 '온라인신디케이트'라는 것은 방송콘텐츠 유통전문기관을 설립함으로써 방송통신콘텐츠 판매창구를 개발하고, 제작사의 이익을 보장하며, 수요자에게 안정적으로 콘텐츠를 공급할 수 있다. 뿐만 아니라 국내외 시장 개척을 통해서 보다 확장된 창구화 효과를 거둘 수 있고, 현재의 변화된 방송환경에 맞추어 체계적이며 안정적인 공급과 판매를 통해서 우리나라 방송통신콘텐츠 산업 발전에 크게 이바지 할 수 있을 것으로 기대한다. 또한 방송통신콘텐츠 제작의 활성화와 유통구조의 개선은 전 세계를 대상으로 글로벌콘텐츠를 판매할 수 있어야 함으로 국제적 유통망 구축이 필수적이라고 할 수 있다. 그러므로 온라인신디케이트는 국제적 유통망구축에 효과적이며 결국 유통과 제작, 제작과 유통이 상호간 높은 관련성을 의미한다. 향 후 프로그램의 제작은 해외의 수출시장 파악이 우선이다. 그 후 국내 프로그램의 유통 성공여부를 가름하고, 해당 국가의 유통시장을 면밀히 분석할 필요가 있으며, 필요하다면 현지 유통사 및 제작사와 협력관계를 유지할 필요가 있다. 최종적으로 성공가능성을 타진하여 현지 유통사를 인수하는 것이 위험 부담을 크기 때문에 이러한 과정을 통해서 글로벌 유통기업을 만들어야 하나, 설립은 막대한 자금이 필요하므로 이러한 '온라인 유통공사(신디케이트)의 설립'은 처음 시작해야 하는 위험 부담을 줄이는 지름길일 것이다.