• Journal of Digital Convergence
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• v.14 no.8
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• pp.211-221
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• 2016

The rapid trends toward outsourcing and collaboration have created complex multi-tier supply chains for construction and engineering industries. Working with suppliers and sub-suppliers requires continuous integration activities in order to maximize the performances of the entire supply chain. The purpose of this study is to identify the factors influencing the performances and long-term business relationship of second-tier suppliers in directed sourcing environment. This study proposes the asset specificity, trust, information-sharing and collaboration, as antecedents variables, and collected the survey responses from the second-tier suppliers in rebar manufacturing works. The statistical results indicate that the asset specificity, trust, information-sharing and collaboration have significant influences on the long-term business relationship of rebar manufacturing second-tier suppliers, but trust has no impact on the performances of second-tier suppliers at 5% significance level. Practical implications are also discussed.

• Journal of Digital Contents Society
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• v.19 no.2
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• pp.385-392
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• 2018

Iksan is one of medium city in Jellabukdo, South Korea. It has a favorable natural environment for the specialization potential of natural industries and development projects. In addition, it has various historical and cultural resources including Mireuksajji, and KTX Honam line which has been opened for a representative feature as transport city. However, it faces week connection with neighboring cities and large scale of development in neighboring areas, especially in Jeonju and Gunsan. In this paper, we try to classify the urban image assets of Iksan as 'Iksan Station' and 'ktx' on keywords and analyze the possibility of being a center of transportation and logistics through big data analysis extracted from SNS and website. In comparison with Gwangju Songjeong, KTX Honam line station, which has been developed with similar regional characteristics, it is aimed to establish the basis of improvement and establishment of urban image of Iksan city in the future.

• Journal of Digital Convergence
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• v.14 no.7
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• pp.397-402
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• 2016

This study discusses on the city-culture contents convergence design strategy which can be linked to the identity of the city through applying the graffiti on old-town of Dongducheon. First, the background and cultural asset of Dongducheon were researched. Second, the places revealing the identities were investigated. Third, the interviews with the college students in the city were performed. As the result, we found that using graffiti gains positive reaction as the reinforcement factor for the city identification. The exotic image made up by US military presence is evaluated as an important factor for the city identification. The Rock Festival is a representative cultural event derived by the cultural influence from the US military and is one of the crucial elements for the city identification. In this study, graffiti was proposed as the visual expression which can be harmonized with this culture and be reinforced for the city identity. Results of the study concludes with the strategy for the application of graffiti with the expectation for the improvement of city image of Dongducheon through the change of identity, urban regeneration, and making of pollution-free culture.

• Journal of the Korea Society of Computer and Information
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• v.29 no.6
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• pp.77-87
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• 2024

In this paper, we propose a study applying the Delphi technique to domestic blockchain experts to determine urgent and pivotal conditions for NFT proliferation. We examine these conditions from a PEST (Political, Economic, Social, and Technological Analysis of the Macro Environment) perspective, as well as the functions of digital assets (measurement, storage, and exchange). Through two rounds of expert surveys on the seven NFT perspectives, we identify 6 activating factors that can help guide future policy-making for the NFT market. These factors have broad implications for the development of new industries using blockchain technology and tokens. The Delphi method employed in this study is a group discussion technique that gathers opinions from experts anonymously through two rounds and to address drawbacks related to expert selection bias and opinion alignment, additional opinion collection and review of projections were conducted in each round.

• Journal of the Korea Society of Computer and Information
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• v.29 no.2
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• pp.127-136
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• 2024

This paper presents a novel method for minting hierarchical Non-Fungible Tokens(NFTs) via a parent-child structure. In contrast to existing NFT structures, our proposed model enables an NFT to act as a parent, creating child NFTs and distributing ownership stakes among them. These child NFTs are recursively structured, allowing them to generate their own descendants. The existing structure of NFTs does not inherently allow for fractional ownership. However, our proposed hierarchical model provides a feasible solution to this restriction. By dividing an NFT into multiple child NFTs, each with its own unique identity, we facilitate the detailed division of an asset, thereby making fractional ownership possible. In conclusion, the hierarchical NFT model proposed in this paper offers a promising solution to the challenges of fractional ownership in the digital asset arena. By enabling the detailed division of NFTs through a parent-child structure, we anticipate a future where digital assets can be owned and traded more flexibly and transparently.

• Journal of Digital Convergence
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• v.14 no.8
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• pp.163-175
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• 2016

The purpose of this study is to provide an efficient internal control system formation incentives for company and to confirm empirically usefulness of the internal accounting control system for financial institutions by analyzing whether the internal control vulnerabilities of companies related significantly to the classification and assessment of soundness of financial institutions. Empirical analysis covered KOSPI, KOSDAQ listed companies and unlisted companies with more than 100 billion won of assets which have trading performance with "K" financial institution from 2008 until 2013. Whereas non-internal control vulnerability reporting companies by the internal control of financial reporting received average credit rating of BBB on average, reporting companies received CCC rating. And statistically significantly, non-reporting companies are classified as "normal" and reporting companies are classified as "precautionary loan" when it comes to asset quality classification rating. Therefore, reported information of internal control vulnerability reduced the credibility of the financial data, which causes low credit ratings for companies and suggests financial institutions save additional allowance for asset insolvency prevention and require high interest rates. It is a major contribution of this study that vulnerability reporting of internal control in accordance with the internal control of financial reporting can be used as information significant for the evaluation of financial institutions on corporate soundness.

• Journal of Digital Convergence
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• v.20 no.4
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• pp.529-539
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• 2022

This study analyzed the index change in efficiency and productivity for the tax reorganization project of the regional headquarters of Korea Asset Management Corporation using panel data for 3 years from 2017 to 2019 using the DEA-Malmquist analysis model. According to the DEA analysis result, the average of the efficiency by the CCR model of the regional headquarters tax reorganization project of the Korea Asset Management Corporation was 0.671 in 2017, 0.772 in 2018, and 0.699 in 2019, and the average of the efficiency by the BCC model was 0.798 in 2017, 0.851 in 2018 and 0.771 in 2019. As a result of analyzing the Malmquist productivity index, the time series average productivity index MPI increased by 4.5%. These results appear to be attributable to the increase in technological efficiency, technological change, and scale-efficiency change rather than the decrease in net efficiency change. Looking at the change in MPI by year, it decreased by 14.6% in 2017-2018, but increased significantly to 27.8% in 2018-2019. Through the results of DEA analysis of specific tax projects of public corporations, each regional headquarters of Korea Asset Management Corporation will be able to contribute to reinforcing business capabilities through mutual benchmarking.

• Journal of the Korean Society for information Management
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• v.25 no.3
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• pp.5-25
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• 2008

Individuals and organizations in the modern society produce diverse digital objects everyday, which are not only valuable information resources at present but also will be invaluable digital heritage for the future generation. TRAC(Trustworthy Repositories Audit & Certification: Criteria & Checklist) is one of the evaluating tools against which digital archives could be assessed for their preparedness to perform the task of long-term preservation. The current study uses TRAC to assess OASIS(Online Archiving & Searching Internet Source). The results show that the web archive has a greater room for strengthening in the object management infrastructure than in organizational and technical infrastructures.

• Journal of Korean Library and Information Science Society
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• v.40 no.1
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• pp.209-232
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• 2009

The purpose of this study is to suggest guidelines for legal deposit process on online digital materials and use of the deposited materials both in National Digital Libraries and other places. At present, two Acts -- 'Act on Legal Deposit Process and Use of Online Digital Materials, ' 'Act on Partially Revised Library Law' -- are still pending in National Assembly. For the establishment of the guidelines in this study, advanced countries' legal deposit Acts in this area are searched and investigated. Also, in order to present various opinions from many parties immediately interested in the guidelines and Acts, survey, visitation, and consultancy methods are used.

• Annual Conference of KIPS
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• 2009.11a
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• pp.627-628
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• 2009

기업의 정보자산에 대한 위협이 날로 증대하고 있다. 따라서 기업의 중요한 정보를 보호 및 관리하는 정보보호관리체계 (Information Security Management System; ISMS)에 대한 필요성과 중요성이 더욱 증가하고 있다. 정보보호관리체계란 조직의 주요 정보자산을 보호하기 위해 정보보호관리 절차와 과정을 체계적으로 수립하여 지속적으로 관리 운영하기 위한 종합적인 체계를 의미한다. 본 논문에서는 국내 기업의 정보보호관리체계에 대한 문제점 및 필요성 등을 분석하여 기업 내부 시스템의 보안성 향상을 위한 효율적인 정보보호관리체계 수립방안을 제안한다.