• Title/Summary/Keyword: Mutual trust

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A novel ID-based multi-domain handover protocol for mesh points in WMNs

  • Zhang, Xue;Li, Guangsong;Han, Wenbao;Ji, Huifang
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.9 no.7
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    • pp.2512-2529
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    • 2015
  • Wireless mesh networks (WMNs) provide an efficient and flexible method to the field of wireless networking, but also bring many security issues. A mesh point may lose all of its available links during its movement. Thus, the mesh point needs to handover to a new mesh point in order to obtain access to the network again. For multi-domain WMNs, we proposed a new ID-based signcryption scheme and accordingly present a novel ID-based handover protocol for mesh points. The mutual authentication and key establishment of two mesh points which belong to different trust domains can be achieved by using a single one-round message exchange during the authentication phase. The authentication server is not involved in our handover authentication protocol so that mutual authentication can be completed directly by the mesh points. Meanwhile, the data transmitted between the two mesh points can be carried by the authentication messages. Moreover, there are no restrictions on the PKG system parameters in our proposed multi-domain ID-based signcryption scheme so our handover scheme can be easily applied to real WMNs circumstances. Security of the signcryption scheme is proved in the random oracle model. It shows that our protocol satisfies the basic security requirements and is resistant to existing attacks based on the security of the signcryption. The analysis of the performance demonstrates that the protocol is efficient and suitable for the multi-domain WMNs environment.

Current Status and Outlook of the Institute-Academia Collaboration in Aerospace field (항공우주 학연협력 현황과 전망)

  • Kim, Jong-Bum
    • Current Industrial and Technological Trends in Aerospace
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    • v.6 no.2
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    • pp.3-10
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    • 2008
  • Lee, Myung-bak Administration comprises the plan to foster the Universities as a world's research and development point, and to strengthen the Institute-Academia Collaboration for the knowledge based economy in the new plan of science and technology. In addition, by participating Universities into the medium-and long-term research business of government-supported institute, it is expected to strengthen the basic initiative research, revitalize the joint study conducted by the universities and government-supported institute, and to reshuffle the statutes to promote personnel exchanges between the universities and government-supported institute. Universities role as a principle of innovation in the field of Aerospace is getting its weight so that the necessity of the institute-academia collaboration is increasing. Types of the Institute-Academia Collaboration can be categorized into the Joint-Study, internships for the students in Masters and Ph. D. programs, Professor-Researcher Exchange, Joint Research Lab, and Joint Postgraduate Course, and those are the cases from the U.S., Brazil, Germany, France, Japan, and Korea. High mutual reliance on the research subject, mutual trust on the research capability, and abundant and flexible capabilities in sources are required to make a success in Institute-Academia Collaboration.

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An Authentication Protocol-based Multi-Layer Clustering for Mobile Ad Hoc Networks (이동 Ad Hoc 망을 위한 다중 계층 클러스터링 기반의 인증 프로토콜)

  • Lee Keun-Ho;Han Sang-Bum;Suh Heyi-Sook;Lee Sang-Keun;Hwang Chong-Sun
    • Journal of KIISE:Information Networking
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    • v.33 no.4
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    • pp.310-323
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    • 2006
  • In this paper, we describe a secure cluster-routing protocol based on a multi-layer scheme in ad hoc networks. We propose efficient protocols, Authentication based on Multi-layer Clustering for Ad hoc Networks (AMCAN), for detailed security threats against ad hoc routing protocols using the selection of the cluster head (CH) and control cluster head (CCH) using a modification of cluster-based routing ARCH and DMAC. This protocol provides scalability of Shadow Key using threshold authentication scheme in ad hoc networks. The proposed protocol comprises an end-to-end authentication protocol that relies on mutual trust between nodes in other clusters. This scheme takes advantage of Shadow Key using threshold authentication key configuration in large ad hoc networks. In experiments, we show security threats against multilayer routing scheme, thereby successfully including, establishment of secure channels, the detection of reply attacks, mutual end-to-end authentication, prevention of node identity fabrication, and the secure distribution of provisional session keys using threshold key configuration.

A Strategy for the Attraction of POSCO into Gangwon Province through the Collaborative Network of Industry-University Institute-Government (산학연관 협력네트워크를 활용한 강원도의 POSCO 유치 전략)

  • Kim, In-Chung;Kim, Seok-Jung;Jung, Sung-Hoon;Kim, Kyoung-Hwan
    • Journal of the Economic Geographical Society of Korea
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    • v.13 no.4
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    • pp.710-726
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    • 2010
  • The main aim of this paper is to explore a strategy for the attraction of POSCO into Gangwon province through the collaborative network of industry-University institute-government. Although Gangwon province has abundant resources, the industrial development is stagnant owing to unfavorable conditions of industrial location. However, while attracting an magnesium smelting factory of POSCO into Gangneung city, the industrial development in the province faces a new phase for the industrialization in the region. Successful factors of the attraction are as follows; firstly, mutual collaborations of local government, research institutes, region-based firms; secondly, trust throughout rational proposals which are focused upon mutual regard of local government, POSCO and research institutes; thirdly, stategies for the attraction of POSCO which are based upon thorough analysis on such firm; finally, securing the demand market of forward industries.

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The Influence of YouTube Recommendation Service on Reliability, Involvement and Subscription Intention: focused on the mediating effect of Reliability (유튜브 추천서비스가 신뢰와 몰입 및 구독의도에 미치는 영향 -신뢰의 매개효과를 중심으로-)

  • Eun, Chang-Ik
    • The Journal of the Convergence on Culture Technology
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    • v.8 no.3
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    • pp.113-128
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    • 2022
  • The objective of this study is to pay attention to the personal media environment that is in the center of rapid changes in the media industry, to especially explore the activity area of one-person or minority media creators who lead the mobile media environment that could be connected, watched, and produced anywhere, and to closely examine the mutual ecosystem between creators and viewers. Especially, paying attention to the recommendation service YouTube provides, for example, based on the big data algorithm related to users' habitual use, when users' data used are provided more, the users face the advanced service, this study aimed to examine the effects of recommendation service on the formation of trust between user and producer, user flow, and subscription intention, and also to demonstrate the process of forming this mutual relation through concrete data. In the conclusion, implications that can be inferred based on the research results and suggestions for further research in the future were presented.

The Study of Win-Win Growth and Problems Between Franchisor and Franchisee (가맹본부와 가맹점 사업자간 문제점 및 동반성장에 관한 연구)

  • Park, Sang-Keum;Lee, Kang-Won;Choi, Yong-Hwe
    • The Korean Journal of Franchise Management
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    • v.6 no.2
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    • pp.31-49
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    • 2015
  • The purpose of this study was to propose a policy development plan for win-win growth between franchisor and franchisee by investigating success factors of win-win growth on the basis of the problems between franchisor and franchisee. There are many small scale franchise businesses in Korea that have not achieved an economy of scale compared to the developed countries. The conflicts between franchisor and franchisee have continued due to a lack of social trust which comes from an excessively high ratio of business failure and big firms' expansion into franchise business, then again, the perception of relations between the topdog and the underdog causes many problems. As franchise is the industry based on common people that helps service industry advance and competitiveness of the self-employed improve, it needs to be activated as the higher value-added business by promoting establishment of business and strengthening foundation of related industry. A matter of mutual cooperation and win-win growth between franchisor and franchisee is important not only for the sound development of franchise industry but also for the stable growth of nation's economy. Thus, this study suggested a policy development plan for win-win growth between franchisor and franchisee by analyzing success factor of win-win growth based on the problems between franchisor and franchisee. The results of the study provide the important strategic way towards mutual growth and maintaining cooperative relationship between franchisor and franchisee in Korean franchise industry.

Study on influence factors of Relational Learning and Relational Performance - Focusing on Export/Impart Enterprises - (기업의 관계학습 영향요인과 관계성과에 관한 연구 - 수출/내수기업의 성과비교를 중심으로 -)

  • Kim, Seung-Rok;Jung, Hun-Ju;Stanfield, Joseph Lee
    • International Commerce and Information Review
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    • v.18 no.3
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    • pp.155-179
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    • 2016
  • The rapid changing technology and globalization allow consumers get information and new products or services faster, have more choices than before, which might be causing more competitive and more uncertain demand. The relationship quality between enterprises positively influence the relational performance. Through this research, enterprises should realize the importance of relationship learning to improve the competitive advantage. Also this research provide the strategic solutions to promote the relationship learning. this is considered to be able to present an improved directionality of the relationship between the buyer and the supplier. In addition, from the perspective of policy, this research provides implications for large enterprises and SMEs to promote their coexistence relation. The empirical model of this paper is established on basis of previous research. The empirical results show that: first, as the influence factors, relation solidarity level, environmental uncertainty, learning intension affect relationship learning, whilst special transaction assets influence information shared and relationship memory and have no effect on mutual understanding; second, relationship learning influence on relational performance and this influence relation becomes stronger if the relationship trust is higher.

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A Proposal of Interoperability between Social Media and Blockchain-based Smart Contract System for Artwork Trading (예술품 거래를 위한 소셜 미디어와 블록체인 기반 스마트 계약 시스템의 연동 제안)

  • Lee, Eun Mi
    • Journal of the Korea Convergence Society
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    • v.11 no.2
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    • pp.109-116
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    • 2020
  • Social media is growing rapidly as a means of promoting artists' artworks and a channel for sales. However, since social media is not fundamentally a platform designed for trading, it has various limitations that make it difficult to ensure trust and security in carrying out transactions. In this paper, it is proposed interoperability between social media and blockchain-based smart contract system that can record and preserve the artist's profile, information related to artworks and details of the contract on the blockchain. The proposed interoperability allows artwork trading participants on social media to maintain mutual trust and to conduct the contract transparently. Also, the proposed interoperability consists of an API provided by the social media developer or an open source API without having to modify existing social media. This study is expected to contribute to the growth of the art trading market on social media by complementing the art trading practices on social media.

Exploration of the Core Competence Factors of Special Education Teachers that are Required to Form a Warm Education Communities (따뜻한 교육공동체 구축을 위한 특수교사의 핵심 역량 탐색)

  • LEE, Hoo-Hee;HWANG, Soon-Young
    • Journal of Fisheries and Marine Sciences Education
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    • v.28 no.3
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    • pp.881-892
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    • 2016
  • The objective of this research is significant because it derives the core competency factors that members of education communities must have in order to form warm education communities through investigating the perception of special education teachers. To achieve this, 352 special education teachers and teachers working at special education institutes were asked to record three of the most important factors out of a total of 18 factors that members of an educational community considered to be required in order to form warm educational communities. IBM SPSS Statistics 23 was used to analyze the collected data. First, in oder to examine the demographic characteristics of the educators surveyed, frequency analysis was conducted. Second, frequency analysis on the factors that special education teachers considered to be most important to form a warm education communities was conducted by teacher experience and type of education institute they worked for. When analyzing the research results of main factors that special education teachers considered to be important by teacher experience and type of education institute they worked for, responsibility was confirmed to be the most important factor. The second most important factor was communication and the third most important factor was responsibility and trust. In summary, the research confirmed that if mutual trust between the members of an education community can be established and if problems can be solved through cooperation and through open communication, and if each member of the community serves their role responsibly, a warm education community can be formed.

A study on the current status and ways of activating 3PL (제3자물류의 실태분석 및 활성화 방안에 관한 연구)

  • 이충규;김준석
    • Journal of Korea Port Economic Association
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    • v.18 no.2
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    • pp.65-90
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    • 2002
  • Despite the importance and necessity, the 3PL has not been activated to date. Among many views, customers claim that logistics service provider(LSP) are not prepared or capable of offering satisfactory 3PL services, while LSP emphasize the lack of mutual trust, closed corporate culture of the customer and excessive demand for reducing the costs. With this keeping in mind, it surveyed difference of perception between users and providers of 3PL services in terms of the actual status of using 3PL services, the degree of satisfaction and key factors for selecting 3PL provider through the questionnaire. As shown in this study, 43.3% of the respondents outsourced logistics services. However, Most company outsourced only inland transportation (49.5%) which is a simple and limited scope of 3PL services, but it also indicated that the percentage of users have ranged was less then 10% in outsourcing their whole logistics sector to 3PL provider and employing other logistics functions. Among respondents, a majority of the service provider stated that they offered satisfactory cost-saving to the customers, while users felt that the degree of satisfaction for using 3PL services was evaluated as at an average level and they more highly regarded the strong partnership of their 3PL provider rather than the saving of cost and improvement of customer's services. Moreover, in contrast to the 3PL providers which regard the most important factor for selecting 3PL service provider is the logistics cost quoted, users of 3PL services felt that the quality of services was more significant than the reduction of cost, and this tendency for selecting 3PL providers was shown in more advanced countries. While users of 3PL services indicated that the main reason for not using 3PL services was to avoid disclosing information of their business and it costs much for employing 3PL providers than doing themselves, 3PL providers thought it was due to reluctancy of opening information and resistance from the logistics division engaged in logistics activities concerned. Accordingly, providers and users of 3PL services should trust each other and prepare plan to activate 3PL services under the collaborative relationships as soon as possible.

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