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Research Trend on Machine Learning Healthcare Based on Keyword Frequency and Centrality Analysis : Focusing on the United States, the United Kingdom, Korea (키워드 빈도 및 중심성 분석 기반의 머신러닝 헬스케어 연구 동향 : 미국·영국·한국을 중심으로)

  • Lee Taekkyeun
    • Journal of Korea Society of Digital Industry and Information Management
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    • v.19 no.3
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    • pp.149-163
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    • 2023
  • In this study we analyze research trends on machine learning healthcare based on papers from the United States, the United Kingdom, and Korea. In Elsevier's Scopus, we collected 3425 papers related to machine learning healthcare published from 2018 to 2022. Keyword frequency and centrality analysis were conducted using the abstracts of the collected papers. We identified keywords with high frequency of appearance by calculating keyword frequency and found central research keywords through the centrality analysis by country. Through the analysis results, research related to machine learning, deep learning, healthcare, and the covid virus was conducted as the most central and highly mediating research in each country. As the implication, studies related to electronic health information-based treatment, natural language processing, and privacy in Korea have lower degree centrality and betweenness centrality than those of the United States and the United Kingdom. Thus, various convergence research applied with machine learning is needed for these fields.

Research Trend on AI Security Using Keyword Frequency and Centrality Analysis : Focusing on the United States, United Kingdom, South Korea (키워드 빈도와 중심성 분석을 이용한 인공지능 보안 연구 동향 : 미국·영국·한국을 중심으로)

  • Lee Taekkyeun
    • Journal of Korea Society of Digital Industry and Information Management
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    • v.19 no.4
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    • pp.13-27
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    • 2023
  • In this study, we tried to identify research trends on artificial intelligence security focusing on the United States, United Kingdom, and South Korea. In Elsevier's Scopus We collected 4,983 papers related to artificial intelligence security published from 2018 to 2022 and by using the abstracts of the collected papers, Keyword frequency and centrality analysis were conducted. By calculating keyword frequency, keywords with high frequency of appearance were identified and through the centrality analysis, central research keywords were identified by country. Through the analysis results, research related to artificial intelligence, machine learning, Internet of Things, and cybersecurity in each country was conducted as the most central and highly mediating research. The implication for Korea is that research related to cybersecurity, privacy, and anomaly detection has lower centralities compared to the United States and research related to big data has lower centralities compared to United Kingdom. Therefore, various researches that intensively apply artificial intelligence technology to these fields are needed.

Interpretation of the ROK-U.S. Alliance and PSI (한미동맹과 대량무기 확산방지구상에 대한 해석)

  • Kim, Joo-Won
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.16 no.5
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    • pp.1102-1112
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    • 2012
  • The policy of the United States is a Korean Peninsula free of all nuclear weapons. The United States government was considering the possibility of military action to eliminate the North Korean nuclear threat. Talk of military action peaked from mid-1993 through mid-1994. Such an attack might have led directly to a Korean war. At that time the nuclear crisis solutioned by North Korea-United States negotiation and ROK-United States alliance. PSI's purpose is to prevent or at least inhibit the spread of weapons of mass destruction, their delivery systems, and related materials to and from states and non-state actors whose possession would be a serious threat to global or regional security. The most controversial activity of PSI is interdiction. North Korea has expressed grave concern over the initiative, stating that it has a sovereign right to develop, deploy, and export weapons, and that it would view any interdiction of its ships as a declaration of war. If South Korea is to execute interdiction North Korean ships expect tensions to increase dramatically on the peninsula with North Korea doing something quite provacative in response. South Korea cannot help approaching PSI with great caution, since it has to consider the ROK-United States alliance, and inter-Korean relations.

Quantifying the Comprehensive and Progressive Agreement for Trans-Pacific Partnership

  • Ciuriak, Dan;Xiao, Jingliang;Dadkhah, Ali
    • East Asian Economic Review
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    • v.21 no.4
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    • pp.343-384
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    • 2017
  • We assess the outcomes for the negotiating parties in the Trans-Pacific Partnership if the remaining eleven parties go ahead with the agreement as negotiated without the United States, as compared to the outcomes under the original twelve-member agreement signed in October 2016. We find that the eleven-party agreement, now renamed as the Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP), is a much smaller deal than the twelve-party one, but that some parties do better without the United States in the deal, in particular those in the Western Hemisphere - Canada, Mexico, Chile, and Peru. For the politically relevant medium term, the United States stands to be less well-off outside the TPP than inside. Since provisional deals can be in place for a long time, the results of this study suggest that the eleven parties are better off to implement the CPTPP, leaving aside the controversial governance elements, the implications of which for national interests are unclear and which, in any event, may be substantially affected by parallel bilateral negotiations between individual CPTPP parties and the United States.

Distribution Strategy: Lessons from the United States COVID-19 Vaccine Distribution

  • KIM, Dongho;YOUN, Myoung-Kil
    • Journal of Distribution Science
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    • v.19 no.8
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    • pp.5-12
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    • 2021
  • Purpose: The purpose of this paper is to analyze and examine the issues that are directly associated with the United States COVID-19 vaccine distribution and its strategies so that other countries may learn from it and develop sound distribution strategies. Research design, data and methodology: This paper has applied both historical and narrative models to review, identify, and analyze existing literatures to assess the United States' vaccine distribution strategy. Results: Distribution strategy developed by the United States seems to have focused heavily on the basic tenets of physical distribution, i.e., transportation, warehousing, inventory, and large-venue mass-vaccination sites, and the strategy seems to have been successful when looking only at the physical tenets of distribution. However, the analysis indicates that the distribution strategy has not either focused on or included the major activities of distribution, such as inward and outward communication, information, and customer satisfaction. Conclusions: The countries that are currently developing or implementing COVID-19 vaccine distribution strategy should review and learn from the United States' vaccine distribution strategy and its implementation. The countries should include and address all the activities of distribution, including inward and outward communication, information, and customer satisfaction to achieve their vaccination goals, minimize confusion, reduce wasting of doses and vaccine desserts, and improve vaccination rates.

Trends in the Home Meal Replacement Market

  • Baskin, Ernest;Choi, Jong-Woo;Heo, Seong-Yoon;Park, Seong-Jin
    • Journal of Distribution Science
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    • v.14 no.6
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    • pp.5-15
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    • 2016
  • Purpose - The continuously fluctuating consumer who desires simplicity and convenience has had much influence on the food industry. This trend has led to a new food market sector known as HMR (Home Meal Replacement). This study aims to understand the status of the HMR market in United States. Research Design, Data, and Methodology - In order to research the status of the HMR market, quantitative analysis and secondary research were carried out. By using data from Euromonitor, Agriculture and Agri-Food Canada, we have estimated food segment sales contributions to the HMR market in United States. Results - HMR products are being sold in various channels such as traditional stores, convenience stores, and even farmers' markets. Some restrictions on the HMR products exist for food safety. Conclusions - HMR industry in United States has expanded continuously. To keep pace with the growth of the HMR market, the United States government has focused on food and safety regulations with regards to the products used in HMR. Finally, this study discusses the implications for Korean HMR market.

Health Promotion Practice, Standards and Activities of Local Health Departments in the United States

  • Cho, Jung H.;OConnor, Pat V.
    • Korean Journal of Health Education and Promotion
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    • v.1 no.1
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    • pp.95-117
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    • 1999
  • As the nation is moving into the 21st century, the fundamental challenge facing local health departments in the United States is to improve the quality of peoples lives by preventing disease, injury, and disability through collaboration with public and private partners. During this century, life expectancy in the United States has increased remarkably from less than 50 years at the turn of the century to 79 years for woman and 72 years for men (CDC 1999; Bunker et al. 1994). Major portions of this gain can be attributed to advances in public health. (omitted)

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Comparative Advantage of the United States and South Korean Manmade Textile Industries

  • Shin, Eonyou;Keenan, Caitlyn;Karpova, Elena
    • Fashion, Industry and Education
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    • v.14 no.1
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    • pp.1-9
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    • 2016
  • This study examined the comparative advantage of manmade textile (MMT) industries in the United States (US) and South Korea (SK). The Revealed Comparative Advantage (RCA) framework was used to assess the MMT industries' performance in both countries from 2004 to 2013. With the recent ratification of the United States-South Korea Free Trade Agreement (KORUS FTA), it is important to understand the current state of these industries. Using UN Comtrade export data, the RCA index values were calculated and analyzed for 27 MMT commodities, three aggregate groups, and the whole industry. It was found that SK had a consistent comparative advantage for the whole industry. Furthermore, SK had a larger number of products with a comparative advantage. The research findings indicate that the MMT industry in SK is likely to outperform the US following the complete ratification of the KORUS FTA.

Comparing the Impact of IT Investment on Firm Performance in the United States and China

  • Lee, Sang-Ho;Xiang, Jun-Yong;Kim, Jae-Kyeong
    • 한국경영정보학회:학술대회논문집
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    • 2007.06a
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    • pp.409-414
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    • 2007
  • Over the past three decades, the impact of IT investments on firm performance has been the subject Q{active research. Although many studies have shown positive and significant benefits derived from IT investment, the findings of almost all these studies are based on data collected in developed countries. This study tries to investigate the effects of IT investment on firm financial performance in the Chinese electronics industry, a typical developing country, and compare it with the United States. Findings show that there is a positive impact of IT investment on firm performance in China. Moreover, the impact in China is not different from what occurred in the United States in the direction and the size against the assertion of previous studies and expectation.

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A Study on Development Process of Military library in the United States of America and the U.S. Armed Forces library Services during the Korea War (미국의 병영도서관의 발전과정과 한국전쟁 중의 병영도서관 서비스에 관한 연구)

  • Song Sung-Sub
    • Journal of Korean Library and Information Science Society
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    • v.36 no.3
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    • pp.257-273
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    • 2005
  • This study inquired into the significance and the Process of development of military library being recently issued as a movement to establish a library In the military units in Korea, focusing on the library management of military in the United States. Firstly, the history of military libraries in the United States and military library service of the U.S. Armed Forces during the Korea War was investigated and analyzed. And, the establishing status, organization, and the contents of library service program in the United States was researched.

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