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Design and Implementation of the Smart Virtual Machine for Smart Cross Platform (스마트 크로스 플랫폼을 위한 스마트 가상기계의 설계 및 구현)

  • Han, Seong-Min;Son, Yun-Sik;Lee, Yang-Sun
    • Journal of Korea Multimedia Society
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    • v.16 no.2
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    • pp.190-197
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    • 2013
  • Since domestic and foreign platform companies and mobile carriers adopt and use different kinds of smart platforms, developers should develop or convert contents according to each smart platform to provide a single smart content for customers. It takes long time and a lot of money to convert the conventional smart contents in order to serve other smart platforms. For the reason, more attention has been paid on Smart Cross Platform or Hybrid Platform, the core technologies of OSMU(One Source Multi Use) in which, once a program is coded, it can be executed in any platforms regardless of development languages. As a result, PhoneGap and HTML5 based Sencha Touch have been introduced. In this paper, we developed the smart virtual machine, which is built in smart cross platform based smart devices, unlike Android, iOS, Windows Phone devices being dependent of platforms, and helps to download and execute applications, being independent of platforms. the smart virtual machine supports C/C++, and Java language, being differentiated from JVM by sun microsystems that supports only Java language and .NET framework by microsoft that supports only C, C++ and C#. Therefore, it provides contents developers with the environment where they can get a wide range of options in choosing a language and develop smart contents.

The Strategic Direction for Product and Service Content Development according to Generation Cohorts and Consumption Values : A comparison of Korea and China (한중 50대와 20대의 소비가치 비교연구를 통한 제품 및 서비스 콘텐츠 개발 방향 탐색)

  • Kwon, Junhyun;Han, Semi;Kim, Sook-Eung;Kim, Eunhye
    • The Journal of the Korea Contents Association
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    • v.18 no.12
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    • pp.1-13
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    • 2018
  • Senior business has been paid attention due to rapid global aging and baby boomers turning 60. However, senior business is not successful as expected because of a lack of understanding of consumers and small size of Korean domestic market. Understanding of senior consumers and overseas markets and providing attractive product and service contents needs to overcome the current challenges. Therefore, this study explores and compares consumers of different generation and different countries. We employ consumption value theory and analyze which consumption values are perceived strongly by each four group(Korean consumers in their 20s, Korean their consumers in 50s, Chinese consumers in their 20s, and Chinese consumers in their 50s). We conducted online survey to compare consumption values among samples of consumers in two countries: Korea and China. There are forty survey instruments in twelve consumption values. The results can be used to develop a strategy for planning, developing, distributing, and promoting product and service contents which consumers, in particular baby boomers, have a strong intention to purchase it.

A Exploratory Study on the Plan to Foster the Horse Industry for the Development of Local Cultural Contents (지역문화 콘텐츠 개발을 위한 마산업 육성 방안에 관한 연구)

  • Kim, Mi-Kyung;Kim, Kwan-Seok;Park, Gum-Ran
    • The Journal of the Korea Contents Association
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    • v.22 no.1
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    • pp.240-249
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    • 2022
  • With the tourism industry stagnating due to the recent COVID-19 virus issue, the importance of preparing a plan to resume and revitalize the tourism industry after the end of the COVID-19 is being emphasized. In particular, this researcher paid attention to the development of the horse industry as it can contribute to the differentiation of services as it is an experience-oriented tourism, and it can be said to be a field with a high potential for sustainable development in the future. However, in the domestic horse industry, legal problems related to installation, industrial structural problems organized around horse racing, and demand-based problems were scattered. Therefore, this researcher suggested a way to improve these problems, improve the quality of life of the people, and lead the horse industry to increase the income of rural residents. As a representative example, a legal improvement plan for the expansion and growth of equestrian facilities was presented, and a strategic incubating infrastructure construction plan was presented to support horse industry workers to nurture the horse industry as the 6th industry on their own. This movement will lead to qualitative growth through the conversion of the horse industry into local cultural contents, and not only to expand the base of public demand for the horse industry, but also to maximize the creation of added value through diversification of the horse industry, leading to qualitative growth of the horse industry.

A Study on Idol Marketing Strategies Using Web Entertainment - Focusing on - (웹 예능을 활용한 아이돌 마케팅 전략 연구 - <달려라 방탄>을 중심으로)

  • Lee, Shuo-Kun;Huh, Eun-Jin
    • Journal of Korea Entertainment Industry Association
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    • v.15 no.2
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    • pp.99-109
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    • 2021
  • The purpose of this paper is to look at web entertainment in terms of marketing and analyze how consumers in Korea and abroad feel about it. To this end, methods such as literature research, case studies, and consumer interviews were used. The main conclusions of this paper are as follows. First of all, through the case of "Run BTS," the web entertainment program actively reflects the needs of viewers on entertainment content by utilizing the unique interactions of web entertainment in terms of products. In terms of price, web entertainment operated a paid service that contained more diverse contents. However, the degree of satisfaction with paid services was different for each age group or income of viewers. In terms of distribution, web entertainment can position viewers much more clearly than conventional TV entertainment, has strong communication with viewers, and is relatively free from political conflict or censorship in overseas exports. Finally, in terms of public relations, web entertainment is promoted in various ways to fans who are the mainstay of existing viewers, but public relations for various viewers other than fans are relatively weak. Based on the above analysis, this paper proposed ways to improve consumers of web entertainment by region, customized marketing by age, professional window for consumers to directly express their opinions on content, and wide promotion through various media.

A Study on Creation of Fair Transaction Environment between Platform Operator and Contents Provider in Broadcasting Industry (방송 산업 내 플랫폼사업자와 콘텐츠사업자 간 공정거래환경 조성 연구)

  • Yonghee Kim;Joonho Do
    • The Journal of the Institute of Internet, Broadcasting and Communication
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    • v.23 no.2
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    • pp.175-183
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    • 2023
  • In a broadcasting market environment that has a close interdependence between platform operators and content operators, problems such as conflicts over program usage fees, and home shopping transmission fees are intensifying. This study attempted to analyze the environment of the domestic broadcasting market and present implications, analyze the cause of user fee conflict between the platform and PP, and propose detailed alternatives to resolve user fee conflict disputes. The results of environmental analysis on the domestic broadcasting market are as follows. First, the growth engine of the broadcasting industry has changed to direct resources such as service usage fees and content fees, and commerce is increasing. Second, as hegemony in the domestic broadcasting market changes from terrestrial to paid broadcasting and OTT, monopolies in the entire broadcasting area are being dismantled by voluntary entry. Third, the need to overhaul the existing regulatory system is increasing due to the dismantling and reorganization of the existing broadcasting market. On the other hand, this study proposed a strategy to diversify the profit structure of PP, supply program after pre-contracting, and strengthen CPS bargaining power in order to resolve disputes between paid broadcasting platforms and PP sharply. In particular, as strategies to strengthen CPS bargaining power of small and medium-sized SOs, it proposed to jointly improve CPS-related systems through IPTV and individual SOs, to redefine fees for programs and to voluntarily use programs.

A Study on Technical Elements for Vision Therapy based on VR HMD (VR HMD에서의 비전 테라피 활용을 위한 기술 요소 연구)

  • Choi, Sangmi;Kim, Jungho;Kwon, Soonchul;Lee, Seunghyun
    • Journal of the Institute of Electronics and Information Engineers
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    • v.53 no.12
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    • pp.161-168
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    • 2016
  • Thanks to mass production and provision of smartphones and the HMD (head mounted display), VR (virtual reality) is now being applied to various areas. The VR HMD is the interface equipment which allows users to have realistic experiences through human sensory organs such as vision and auditory sense. Since the majority of VR equipment is operated by the display for both eyes, 360-degree video content and the depth information, the VR mechanism is closely related to human senses, especially vision. Previous studies have focused on how to minimize negative impact such as motion sickness or visual fatigue. Little attention has been paid on research about the visual treatment. Therefore, the focus of this study is to develop technical elements for utilization of vision therapy with the VR HMD and explore possible areas to apply it. To this end, we analyzed the past case studies and technical elements to identify 16 areas for vision therapy. We also developed the optical parameters for utilization of the VR HMD visual targets. The result of this study is expected to be utilized for development of visual targets for vision therapy based on the VR HMD.

Evaluations of Si based ternary anode materials by using RF/DC magnetron sputtering for lithium ion batteries

  • Hwang, Chang-Muk;Park, Jong-Wan
    • Proceedings of the Korean Vacuum Society Conference
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    • 2010.08a
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    • pp.302-303
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    • 2010
  • Generally, the high energy lithium ion batteries depend intimately on the high capacity of electrode materials. For anode materials, the capacity of commercial graphite is unlike to increase much further due to its lower theoretical capacity of 372 mAhg-1. To improve upon graphite-based negative electrode materials for Li-ion rechargeable batteries, alternative anode materials with higher capacity are needed. Therefore, some metal anodes with high theoretic capacity, such as Si, Sn, Ge, Al, and Sb have been studied extensively. This work focuses on ternary Si-M1-M2 composite system, where M1 is Ge that alloys with Li, which has good cyclability and high specific capacity and M2 is Mo that does not alloy with Li. The Si shows the highest gravimetric capacity (up to 4000mAhg-1 for Li21Si5). Although Si is the most promising of the next generation anodes, it undergoes a large volume change during lithium insertion and extraction. It results in pulverization of the Si and loss of electrical contact between the Si and the current collector during the lithiation and delithiation. Thus, its capacity fades rapidly during cycling. Si thin film is more resistant to fracture than bulk Si because the film is firmly attached to the substrate. Thus, Si film could achieve good cycleability as well as high capacity. To improve the cycle performance of Si, Suzuki et al. prepared two components active (Si)-active(Sn, like Ge) elements film by vacuum deposition, where Sn particles dispersed homogeneously in the Si matrix. This film showed excellent rate capability than pure Si thin film. In this work, second element, Ge shows also high capacity (about 2500mAhg-1 for Li21Ge5) and has good cyclability although it undergoes a large volume change likewise Si. But only Ge does not use the anode due to its costs. Therefore, the electrode should be consisted of moderately Ge contents. Third element, Mo is an element that does not alloys with Li such as Co, Cr, Fe, Mn, Ni, V, Zr. In our previous research work, we have fabricated Si-Mo (active-inactive elements) composite negative electrodes by using RF/DC magnetron sputtering method. The electrodes showed excellent cycle characteristics. The Mo-silicide (inert matrix) dispersed homogeneously in the Si matrix and prevents the active material from aggregating. However, the thicker film than $3\;{\mu}m$ with high Mo contents showed poor cycling performance, which was attributed to the internal stress related to thickness. In order to deal with the large volume expansion of Si anode, great efforts were paid on material design. One of the effective ways is to find suitably three-elements (Si-Ge-Mo) contents. In this study, the Si based composites of 45~65 Si at.% and 23~43 Ge at.%, and 12~32 Mo at.% are evaluated the electrochemical characteristics and cycle performances as an anode. Results from six different compositions of Si-Ge-Mo are presented compared to only the Si and Ge negative electrodes.

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A Study on "Dongyeopyengo" Housed by the National Library of Korea (국립중앙도서관 소장 "동여편고" 연구)

  • Lee, Ki-Bong
    • Journal of the Korean association of regional geographers
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    • v.18 no.1
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    • pp.27-41
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    • 2012
  • This research aims to organize and introduce "Dongyeopyengo(東輿便攷)" housed by the National Library of Korea that contains a limitless number of proofreading and adding marks in the margin of the pages, and to look into the academic value that it has in the history of geography book compilation. In conclusion, first, "Dongyeopyengo" was compiled with contents originated from "Sinjungdonggukyeojisungnam(新增東國輿地勝覽)" removed, under the reign of King Sunjo(純祖, 1800~1834). Second, mostly under the reign of King Sunjo, "Dongyeopyengo" has gone through proofreading and adding process based on information from "Donggukmooneonbigo (東國文獻備考)". Third, under the reign of King Heonjong(憲宗, 1834~1849), proofreading and adding work was performed based on various materials including "Jungjeongnamhanji(重訂南漢志)". Fourth, the compiler of "Dongyeopyengo" is surely Kim Jeong-ho(金正浩), considering documentations on the transfer of central city of Yangju (楊州) and the overall tendency found in geography book compilation. "Dongyeopyengo" is an important documentation that depicts the process of geography books that proceeded in the early years of his life as the greatest geographer in Korea, and it holds academic values in that it helps us to understand the life of Kim Jeong-ho prior to 1834, to which people has not paid much attention due to the lack of material and documents.

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Comparison of User Interaction Alternatives in a Tangible Augmented Reality Environment (감각형 증강현실 기반 상호작용 대안들의 비교)

  • Park, Sang-Jin;Jung, Ho-Kyun;Park, Hyungjun
    • Korean Journal of Computational Design and Engineering
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    • v.17 no.6
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    • pp.417-425
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    • 2012
  • In recent years, great attention has been paid to using simple physical objects as tangible objects to improve user interaction in augmented reality (AR) environments. In this paper, we address AR-based user interaction using tangible objects, which has been used as a key component for virtual design evaluation of engineered products including digital handheld products. We herein consider the use of two types (product-type and pointer-type) of tangible objects. The user creates input events by touching specified parts of the product-type object with the pointer-type object, and the virtual product reacts to the events by rendering its visual and auditory contents on the output devices. The product-type object is used to reflect the geometric shape of a product of interest and to determine its position and orientation in the AR environment. The pointer-type object is used to recognize the reference position of the pointer (or finger) in the same environment. The rapid prototype of the product is employed as a good alternative to the product-type object, but various alternatives to the pointer-type object can be considered according to fabrication process and touching mechanism. In this paper, we present four alternatives to the pointer-type object and investigate their strong and weak points by performing experimental comparison of their various aspects including interaction accuracy, task performance, and qualitative user experience.

Foreign Area Research of Korean Geographers -Retrospects and Prospects- (한국지리학자들의 해외지역 연구 -회고와 전망-)

  • Hyong, Kie-Joo
    • Journal of the Korean Geographical Society
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    • v.32 no.4
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    • pp.561-572
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    • 1997
  • This paper attempts to analyze the changes of the contents in foreign area research carried out by Korean geographers, and discuss the task of the new regional geography in a global-local context. As compared with domestic area research, only a scant of foreign area research has been carried out. In the 1990's, the research interests are paid to how an open economy affects the regional economy, especialy the production technique, division of labor, industrial mix, market strategy, industrial location and organization, and so on. Unfortunately, however, the boundaries between economic geography and regional economy are gradully disappearing.

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