• 제목/요약/키워드: U-market

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유비쿼터스 환경에서 연관규칙과 협업필터링을 이용한 상품그룹추천 (Product-group Recommendation based on Association Rule Mining and Collaborative Filtering in Ubiquitous Computing Environment)

  • 김재경;오희영;권오병
    • 한국IT서비스학회지
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    • 제6권2호
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    • pp.113-123
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    • 2007
  • In ubiquitous computing environment such as ubiquitous marketplace (u-market), there is a need of providing context-based personalization service while considering the nomadic user preference and corresponding requirements. To do so, the recommendation systems should deal with the tremendous amount of context data. Hence, the purpose of this paper is to propose a novel recommendation method which provides the products-group list of the customers in u-market based on the shopping intention and preferences. We have developed FREPIRS(FREquent Purchased Item-sets Recommendation Service), which makes recommendation listof product-group, not individual product. Collaborative filtering and apriori algorithm are adopted in FREPIRS to build product-group.

Motivating the Workforce in a Precarious Time: Focusing on Career Self-Help Advice in the U.S.

  • Jeongsuk Joo
    • International Journal of Advanced Culture Technology
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    • 제12권2호
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    • pp.104-109
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    • 2024
  • In this paper, we examine American career self-help advice in the context of white-collar labor market changes in the U.S., especially how it tries to motivate and empower white-collar job seekers and how fundamentally flawed this is. In this regard, we focus on What Color Is Your Parachute? by Richard Nelson Bolles, as it is the foundational and representative literature in the field of career self-help advice. We first look at the white-collar labor market changes in the U.S. and the growth of career self-help advice along with its influence. We then show that What Color Is Your Parachute? seeks to motivate and inspire job seekers by defining job searching in individual terms and overlooking its structural nature. From this, we point out the most problematic aspect of career self-held advice, i.e., shifting job search responsibility as well as its outcome solely to individual job seekers, while also making it difficult to scrutinize and understand the broader context affecting job searching.

우연한 패권거부 - 미국의 세계리더십 거부와 중국의 틈새공략 - (The Accidental Denial of a Hegemonic Power's Role - The Reluctance of the U.S's Role as a World Leader and China's Target of a Niche Market -)

  • 반길주
    • Strategy21
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    • 통권42호
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    • pp.224-257
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    • 2017
  • As the Trump administration withdraws the Paris Climate Agreement and shows its antipathy toward free trade, the U.S.'s soft power is most likely to weaken and its behaviors could be perceived as acts to surrender the U.S. hegemonic leadership in the world stage. Hegemonic stability theory notes that the existence of a hegemonic power contributes to international stability in the sense that it provides international public goods. A lack of the U.S's leadership in international politics, however, could be recognized as its denial of a hegemonic status. Is it intentional or accidental? The U.S's denial of hegemonic roles is the byproduct of the Trump administration's "American First" policy, not the showcase of its intention to transit hegemony to others. What is noteworthy is that China targets a niche market of hegemony as the U.S. denies its roles as the international leader. Put it another way, China attempts to ride hegemony for free when the U.S. denies its hegemonic roles accidentally. Faced with a niche market of hegemony, China has begun to accelerate its national strategy to make "Chinese Dream" come true. To that end, China promised again to keep the Paris Climate Agreement and attempts to play more active its roles in Shanghai Cooperation Organization(SCO), Asia Infra Investment Bank(AIIB), and "One Belt, One Road". Despite all these efforts, the U.S. is most likely to withdraw its denial of hegemony any time soon. The U.S's resumption of Freedom of Navigation Operations(FONOPs) could be a precursor of the return to a hegemonic power's willingness. In this vein, it is noteworthy that the South China Sea serves as a quasi-war zone for hegemonic conflict.

Analysis of Japanese Demand for Alaska Groundfish

  • Dae-Kyum Kim
    • 수산경영론집
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    • 제16권2호
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    • pp.75-87
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    • 1985
  • In 1977, the United States enacted the Magnuson Fishery Conservation and Management Act (MFCMA), which established U.S. Fisheries Conservation Zone (FCZ). The MFCMA grants preference to U.S. harvesters over foreign fleets in the U.S. FCZ. At present, the large stocks of groundfish in the U.S. FCZ off the Alaska coast have been under-utilized in the U.S. domestic market and the fisheries for these groundfish are dominated by foreign fleets. Hence, expected benefits from replacing foreign fisheries by domestic fleets will accrue to the U.S. fishery only by exporting the increased U.S. products to foreign countries. U.S. exports may be dependent on the price levels in the foreign markets raised by the reduced foreign catch from U,S. waters. In this paper, Japanese demand models for Alaska groundfish were estimated. The derived coefficient from the estimated models suggest that a decrease in the Japanese landings from the U.S. FCZ by a thousand metric tons will increase pollock price by 0.017 Yen/kg, cod price by 0.351 Yen/kg, flatfish by 1.074 Yen/kg, and ocean perch by 1.347 Yen/kg in the Japanese market. These results based on percentage would increase 19 percent for pollock price, 11 percent for cod price, 40 percent for flatfish, and 2 percent for ocean perch price.

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저전력 u-IT 기기의 국내 기술 기준에 관한 연구 (A Study on the Domestic Technical Regulation of Low Power u-IT Equipments)

  • 나유찬
    • 한국산학기술학회논문지
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    • 제12권5호
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    • pp.2249-2253
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    • 2011
  • 본 논문에서는 저전력 u-IT 기기의 기술 기준에 대한 현재 각국의 동향과 그 기준치를 분석 및 비교를 통하여 해당 대역의 국내기준의 문제점을 분석하였다. 전자파 적합 등록에서 제시하고 있는 각국의 출력기준 기준치와 연계하여 이에 적합한 국내의 u-IT 기기의 실질적인 도입 가능한 출력 기준의 기준치를 제시함을 목적으로 한다. 본 논문에서 제시한 출력 기준 허용치를 바탕으로 국내 기준을 상향하면 저전력 u-IT 기기의 보급과 발전에 기여할 것으로 예상되며 국내 통신 시장은 물론 국제 통신 시장에서 경쟁력을 갖출 수 있을 것으로 예상된다.

Анализ механизмов формирования цен на газ на мировом рынке и бизнес-модели «Сheniere Energy» (Analysis of Price Formation Mechanism of Natural Gas in the Global Market and Business Model of ''Cheniere Energy")

  • Джинсок, Сун
    • 분석과 대안
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    • 제5권2호
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    • pp.77-105
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    • 2021
  • Потребление природного газа в Азии растет быстрыми темпами из-за различных факторов, таких как экономический рост в регионе, урбанизация, переход с угля на газ в секторах производства электроэнергии и промышленности. Из-за географических особенностей и отсутствия международных трубопроводных соединений между странами в АТР большая часть природного газа, экспортируемого азиатским потребителям, транспортируется танкерами по морю в виде сжиженного природного газа. Поскольку азиатский рынок является наиболее прибыльным рынком с самым быстрым ростом спроса, конкуренция между продавцами сжиженного природного газа (СПГ) за долю азиатского рынка усиливается. Конкуренция ускорилась, особенно после того, как на рынок были выведены большие объемы дополнительных поставок со стороны новых экспортеров из США, Австралии и России. Cheniere Energy, первый экспортер СПГ в континентальной части США, не приняла традиционный механизм ценообразования и бизнес-модель. Традиционно цены по долгосрочным контрактам на СПГ индексируются к ценам на конкурирующие виды топлива, такие как сырая нефть. Компания приняла механизм ценообразования и бизнесмодель по системе «кост-плюс». Cheniere Energy выбрала более безопасную и безрисковую систему ценообразования, которая ежегодно гарантирует продавцу фиксированную сумму дохода. Компания зарабатывает одинаковую сумму денег, независимо от динамики цен на природный газ на внутреннем и международном рынке, возможно с меньшим доходом. Однако, успешно внедрив более безопасную и безрисковую бизнес-модель, Cheniere Energy, компания относительно меньшего размера по сравнению с крупными нефтегазовыми компаниями, стала примером для других небольших компаний в стране. Бизнес-модель компании продемонстрировала, как войти и управлять бизнесом СПГ в США в условиях растущей конкуренции между продавцами на внутреннем и международном рынке.

A Study on Awareness and Responses of Korean Textile Firms against Korea-US FTA

  • Ha, Ju-Young;Ku, Yang-Suk
    • 한국의류산업학회지
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    • 제16권4호
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    • pp.588-595
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    • 2014
  • The purpose of this study was to investigate the awareness levels of Korean textile companies and develop appropriate response plans for the Korea-US Free Trade Agreement. Through such, the study aims to explore practical and realistic directions that the Korean textile industry must take in the future. As for the research method, a survey on the Korea-US Free Trade Agreement was conducted to 50 Korean textile companies which mainly deal in textile exports. Results showed that Korean textile companies possess above average awareness for the Korea-US Free Trade Agreement and carry the perception that the FTA has thus far had a positive effect of market revitalization and contributions to sales. Nonetheless, perceptions on the needs for the Korea-US Free Trade Agreement and level of awareness were below average while government assistance seen to be unsatisfactory. Such results suggest that measures for successful access to the U.S. market require developing products customized for the U.S. market and creating new market opportunities by participating in U.S. exhibits and shows. In addition, textile companies must develop their abilities for self-sustainability through continuous FTA related programs provided by government in addition to investing efforts to understand global markets within companies through response measures on the FTA as a whole.

본사 자원과 메커니즘의 유사성과 격차가 합작투자기업의 학습효과에 미치는 영향 (The Effect of Resource, Mechanism Relatedness and Gap on International Knowledge Transfer)

  • 조형기
    • 지식경영연구
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    • 제11권4호
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    • pp.41-66
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    • 2010
  • This research examines the effect of the relatedness and the gap between Resources and mechanisms on effectiveness of inter-organizational knowledge transfer. According to the literature, there has been a competing theory between two claims; one is that inter-organizational knowledge transfer will be more effective due to the reduction of the transaction cost as the relatedness increases. And the other is that the mutual complementarity of different organizational characteristics will increase synergy. In total, the relatedness and the gap of the Resource and mechanism makes the inverted U-shaped relationship with the inter-organizational knowledge transfer. As the result of empirical analysis about 109 Korean-based Joint Ventures entered country, it shows that the relatedness of parent company's production Resources, learning mechanisms, and coordination mechanisms made the inverted U-shaped relations with the inter-organizational knowledge transfer and the gap of production Resources and adjustment mechanism formed the same relationship. However, the U-shaped relationship has been established in the relatedness of market Resources, but the gap of market Resources and the learning mechanism was not statistically significant. Through this study, I can draw a best conclusion that the inter-organizational knowledge transfer will be more effective when the relatedness and the gap of management resources and mechanisms is in optimal level. However, when it comes to market Resources, it can be inferred that the result could be the opposite because the partner country's market environment would be different.

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자본시장은 기업의 다양성 성과에 어떻게 반응하는가? 미국 기업 의 소수 성정체성 옹호 정책에 대한 자본시장의 기업가치 평가 간의 관계를 중심으로 (How Does The Capital Market Respond To Diversity Management? Lessons From The U.S. Firms' Valuation With Respect To Their LGBT Policies)

  • 오한나;김상준
    • 아태비즈니스연구
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    • 제14권1호
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    • pp.171-194
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    • 2023
  • Purpose - This study starts with the question of whether the capital market is likely to give positive valuations to companies that pursue diversity in their management and corporate governance structure. In this study, minority gender identity is considered as a diversity issue in management that has a socially negative perception. Design/methodology/approach - This study analyzed the relationship between corporate value in the capital market and the policies of companies that advocated minority gender identities, based on listed U.S. company data. Findings - This study finds that companies that support minority gender identities had a lower Tobin's q value than companies that did not. However, in the case of authenticity in terms of corporate governance diversity, the study finds that companies that advocate minority gender identities rather receive high firm valuation. In particular, companies with a high percentage of female directors show high corporate value even when implementing policies that support minority gender identities. Research implications or Originality - This study explores the capital market's response to diversity using past data in the U.S., but provides more practical implications for how companies should respond to a situation where an advocacy policy, based on more social recognition, for LGBT groups is established in Korea.