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변대호,Byun, Dae-Ho 대한산업공학회 1999 산업공학 Vol.12 No.1
This paper is about implementation issues for use of the Internet technology in education. An examination of the current status of virtual university provides guidance for subsequent prototype development. A virtual university is the Internet based process by which students increase their specific knowledge and skills via electronic interaction with content and people. Virtual university enables colleges and universities to provide students and faculty with network access to courseware and educational materials on multimedia servers free from time and geography constraints. In this paper, we present a prototype instruction support system (ISS). The ISS consists of the following components in architecture: Internet, software, hardware, database systems, users, and workflow. The ISS also assists several functions as follows: lecture notes, register processes, attendance checks, built-in boards, grading systems, questions and answers, electronic libraries, chats, and search engines. Our work will provide a guideline for the development of a virtual classroom for distance education and learning.
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변대호(Dae-Ho Byun),전홍대(Hong-Dae Jeon) 한국전자거래학회 2010 한국전자거래학회지 Vol.15 No.3
뉴미디어 시대의 새로운 혁신기술로 IPTV를 들 수 있다. IPTV는 텔레비전과 인터넷이 융합된 뉴미디어로 TV기능을 가지면서도 인터넷에 접속하여 정보 검색, 게임, 영화, 홈쇼핑, 홈뱅킹 등 포털 서비스를 받을 수 있는 차세대 TV이다. 이러한 혁신기술들의 채택과 사용에 서비스 품질은 중요한 영향을 미친다. IPTV는 일반 TV와 달리 기술적 제약 때문에 서비스 품질보다 체감 품질이 더욱 중요시 된다. 체감 품질은 사용자가 본원적으로 경험하고 인지하는 품질로 최종 사용자를 대상으로 시험하고 측정하는 품질이다. 본 연구는 IPTV의 체감 품질 측정 방법론을 제안하는 것이 목적이다. 탐색적 방법을 사용하여 체감 품질에 영향을 미치는 요인을 발견하고 사용자 테스트라는 실험적 방법을 사용하여 체감 품질을 측정한다. 우리는 요인분석을 통하여 9개의 체감 품질 요인(그래픽, 화질, 정확성, 접근도구, 콘텐츠의 질, 사용성, 보안성, 성능)을 발견하였다. IPTV 서비스 제공자를 대상으로 측정한 체감 품질 점수는 화질, 그래픽, 콘텐츠의 질을 제외하고는 전반적으로 높지 않아 개선이 요구된다. IPTV(Internet Protocol Television) is an innovation technology to lead the new media age. Internet protocol television (IPTV) is a next generation television converged with the Internet which are delivered portal services such as information search, games, movies, home shopping and banking. Generally, service quality affects to adopt or use these technologies. Quality of experience (QoE) is more issue to be considered than service quality because of the technological restriction and limitation that IPTV is accessed by the Internet. The QoE is defined as the cognitive and experienced quality measured with users through an experiment and is conceptually related to service quality. The objective of this paper is to suggest a methodology to measure the QoE of IPTV using a user testing. We find significant factors affecting QoE of IPTV through an exploratory study and measure QoE scores. We found the nine factors of graphics, picture, accuracy, access method, quality of contents, usability, security, and performance important for QoE. The QoE scores of picture, graphics, and quality of contents gained over the average score, but the overall score for IPTV service providers was not high and the QoE needs to be improved.
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변대호 ( Byun Dae-ho ) 한국외교협회 2021 외교 Vol.139 No.0
On April 15, 1905, 1,033 Koreans (including their families) arrived in Mexico’s Yucatan Peninsula after signing a four-year labor contract. They were put into the daunting task of harvesting the henequen, a type of thorny agave. Although Koreans left their homeland to escape economic difficulties, they were international labor exports disguised as legal labor migration between Mexican and Japanese companies. They were treated like slaves upon arrival in Mexico, but their diligence and hard work contributed to the improvement of henequen productivity. In March 1921, about 300 Koreans immigrated to Cuba, believing that Cuba’s economic and educational environment was much better than that of Yucatan, and that they could make a good living even if they worked in sugar cane fields. However, during this period, the Cuban economy deteriorated dramatically due to the fall in sugar cane prices, and they dispersed again in search of the henequen farm in the Western part of Cuba. Later some Koreans became entrepreneurs from the 1930s, running inns, chain stores, and grocery stores. Koreans gradually migrated to cities such as Havana and settled in various occupations such as textile manufacturing, bus business, and furniture manufacturing. Koreans were treated as Japanese by the Japanese consul in the early stages of immigration and by the Cuban government after the outbreak of the Pacific War in December 1941. However, the Matanzas Korean National Association overcame this problem by declaring that Koreans were citizens of the Korean Provisional Government in China, actively supporting the Cuban government’s position against anti-fascism, and officially revealed the position of Koreans in the struggle against Japan in the Pacific War. Since the early days of immigration, Koreans have united around the Korean National Association in each region to maintain their identity and community. In particular, the activities of the Matanzas Korean National Association were prominent. They overcame difficult life at the henequen farm through mutual aid, tried to preserve Korea’s unique cultural traditions such as Korean holidays, food, and music, and also tried to spread the Korean language. At the same time, a number of Korean youth associations and women’s associations were organized by the Korean national associations in Cuba which lasted until the 1950s. In March 1943, Koreans organized the All-Cuban Korean Association in Havana with the permission of the Cuban government. But the Association failed to unify Koreans due to the lack of leadership and dissolved in 1953 by the Cuban government. Koreans supported the independence movement by raising funds for the independence movement through the Korean National Association. Amid difficult economic conditions, from 1937 to 1944, they supported the independence movement by collecting a donation of $1289, remittance to the Central Assembly of the Korean National Association, and sending $264 to the Provisional Government. It should be noted that during the Pacific War, an anti-Japanese struggle was officially declared by the Association. The identity and solidarity of Koreans gradually weakened, mainly due to the Labor Nationalization Act of 1933, the basic rights stipulated in the 1940 Constitution (Cuban Citizenship Qualification Regulations), and the social changes that emerged after the establishment of the revolutionary government in 1959. In addition, with the defeat of Japan after World War Ⅱ, the anti-Japanese movement was disappeared and Koreans rapidly assimilated into Cuban society and became Cuban. Currently, about 1,100 Korean descendants live in Cuba.
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변대호(Dae-Ho Byun) 강원대학교 경영경제연구소 2019 Asia-Pacific Journal of Business Vol.10 No.2
The land transport industry is more important than the air transport or shipping industry. Land transport has the largest number of business and employees, and the fourth industrial revolution technology has recently infiltrated the most rapidly. In this paper, we examine the status, future prospects, and implications of the land transport industry in Korea for the past 7 years based on the statistical database and related literature. We survey the scope and characteristics of the freight truck or rail transport industry, government policies, and recent logistics industry trends. From the results of these current and forecast statistical surveys, we propose a way forward for the domestic transport business.
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변대호(Dae-Ho Byun) 한국IT서비스학회 2011 한국IT서비스학회지 Vol.10 No.1
Continuous usages of Internet Protocol Television(IPTV) is regarded as one of key factors for IPTV success. Quality improvement and increasing user satisfaction are generally contributed to intention to continue using of innovation technology. We classify the quality constructs into information quality, service quality, system quality, and experience quality and find how these constructs affect on user satisfaction and intention to continue using of IPTV. We perform factor analysis to IPTV users by developing a causal relationship model and defining measurement variables for the constructs. Through regression analysis. we found information quality and experience quality are significant to affect on intention to continue using of IPTV.
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