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A Study on Factors Affecting Usage Intention of Metaverse Services in the Work Environment (업무환경에서의 메타버스 사용의도에 대한 영향요인 연구)

  • Wonsang Cho;Hyunchul Ahn
    • Knowledge Management Research
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    • v.23 no.4
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    • pp.251-273
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    • 2022
  • Metaverse is one of the most frequently used words recently, with digitalization accelerated by the COVID-19 pandemic that started in 2019 and the development of information and communication technology. It is expected to bring a new revolution in our life as a whole in user experience. In particular, as telecommuting was adopted in the business area, interest in virtual office services such as digital video conferencing and remote offices, which are similar to the metaverse, has also increased. In this study, a study on the intention to use the metaverse service used in the work environment was applied to the Unified Theory of Acceptance and Use of Technology 2(UTAUT2). External variables for metaverse characteristics, such as self-presentation, telepresence, and technostress, were analyzed and discussed. In this study, PC-based Gather.town and VR-based Facebook Horizon, currently the most well-known and considered usable in work environments, were introduced to potential users and conducted a survey. This study has academic implications in that the research has examined the factors that affect the technology acceptance intention of users who want to apply the metaverse as a work environment based on the UTAUT2 model, unlike previous studies that have been mainly researched on the general metaverse. In practice, it may be helpful to suggest factors that should be considered when firms adopt the metaverse for business purposes.

The Influence of Globalization Factors of Korean Traditional Liquor on National Brand Image and Purchasing Intention toward Traditional Liquor: Focusing on Japanese Inbound Visitors (한국 전통주의 세계화요인이 국가브랜드이미지 및 전통주 구매의도에 미치는 영향: 일본인 외래방문객을 중심으로)

  • Min, Mi-Soon;Seo, Tai-Yang;Boo, Sug-Jin
    • International Area Studies Review
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    • v.15 no.1
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    • pp.391-423
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    • 2011
  • This study was proceeded with interest on the influence of globalization factors of Korean traditional liquor on Korea national brand image and purchasing intention toward traditional liquor. Results show that the globalization factors except the superiority and special knowledge of Korean traditional liquor, the quality and promotion factors directly related to Korea brand image and purchasing intention toward traditional liquor. This fact improves the quality of Korean traditional liquor is most important factor deciding national brand image and purchasing intention. Also, Korea national brand image had influence on purchasing intention toward traditional liquor. And the quality factors of Korean traditional liquor had moderating effect on brand image and purchasing intention, which implies to improve quality and functional properties of Korean traditional liquor using promotion with Korean food to Japanese.

The Mediating Effect of CEO's Innovation Direction on the Impact of Market Environment Favorability on Sales Growth Rates : Focused on Small and Medium-sized Manufacturing Companies (시장환경 호의성이 매출성장률에 미치는 영향에서 최고경영자 혁신지향성의 매개효과 : 중소제조기업을 중심으로)

  • Lee, Jong-chan
    • Journal of Venture Innovation
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    • v.4 no.3
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    • pp.17-30
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    • 2021
  • Environmental deterministic perspectives and resource-based perspectives have different perceptions on the factors that determine corporate performance. While the environmental deterministic viewpoint sees the external environment as having a significant impact on corporate performance. On the other hand, the resource-compliant viewpoint believes that it is important to obtain the necessary resources through appropriate decision-making in order to overcome the uncertainty of the environment. Although the external environmental impact on corporate performance is important, the study is in the position that efforts within the company to cope with environmental uncertainty are necessary. This study identified the role that factors within the company play in the process of affecting the external environment of the company's performance. This study looked at whether the CEO's innovation direction plays an mediating role in the market environment favorability affecting sales growth rate. The data was collected using a survey method. We collected data from 138 small and medium-sized manufacturing companies in Gyeongin area. The collected data was analyzed using SPSS 22 packages. According to the analysis, market environment favorability positively affects sales growth rate, and the CEO's innovation direction plays a mediating role between market environment favorability and sales growth rate. The results of this study showed that depending on the market environment, the CEO's interest and willingness to innovate, present a vision for innovation, and institutionalize innovation activities increase management performance through innovation.

The Effect of Metallic Dental Implant on Positron Emission Tomography Computed Tomography Image (금속성 치아충전물이 PET/CT영상이 미치는 영향)

  • Kim, Ki-Jin;Bae, Seok-Hwan;Han, Sang-Hyun;Yu, Se-Jong;Lee, Bo-Woo
    • Journal of Digital Convergence
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    • v.10 no.2
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    • pp.243-247
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    • 2012
  • Beam hardening artifact happens in the CT image. when a PET/CT is conducted while there is a metallic dental implant. The artifact appears in the CT image can affect the PET image. When the patient with head and neck cancer has a metallic dental implant, Beam hardening artifact which was taken in th CT image can change the PET image and SUV value. Therefore, by Quantitative measure of the SUV according to the change in HU by the metallic dental implant, the appropriacy in the clinical application was assessed. The records of 47 patients with PET/CT August 2011. For the analysis, 2 region of interest were defined in area where CT and PET image. As a result of the experiment, if there in an implant, the HU and the SUV increased and there existed a statistically significant difference(p<0.01). Although this level of increase was not large compared with that in the patient who have no metallic dental implant, when a person has head and neck cancer, it is even more likely to be overestimated when diagnosing the cancer. When conducting PET/CT for the patient who have head and neck cancer, the physical biological parts should be considered in order not to make an error in decoding.

A System Dynamics Model for Negotiation strategy Analysis with North Korea (남북관계와 대북협상전략)

  • 곽상만
    • Korean System Dynamics Review
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    • v.1 no.2
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    • pp.5-31
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    • 2000
  • The summit meeting of the South North Korean leaders was a turning point in the relationships between the two countries. It was followed by the Red-Cross Meeting, Minister-Level Meeting, economic agreements, which have increased the relationship more colorful in both quantities and qualities. However, the half-century period for separation was too long to overcome all the problems by only one event. The two countries have quite different social systems; one politically strong person is governing the North, while many interest groups are involved in political decision making processes in the South. In short, it would take a long time to settle down all the problems residing between the two countries. A system dynamics model is developed to describe the long term dynamics of the relations between the South and North Koreas. As a first attempt, the model focuses only on the diplomatic meeting issues between the South and North. The model aggregates diplomatic issues into 5 categories; economic issues, security issues, infrastructure, cultural issues, and past problems. It assumes that there would not be any dramatic changes between the two countries. It is a conceptual model composed of around 200 variables, and should not be used as a forecast tool. However, it captures most of the logics discussed in the papers and conferences concerning the South and North Korea relations. Many sensitivity studies and Monte Carlo simulations have shown that the simulation results matches with mental models of experts; that is the model can be used as a learning tool or as a secondary opinion until the data required by the model is collected. In order to analyze the current situation, five scenarios are simulated and analyzed; the functional approach, the conditional approach, the balanced approach, the circumstantial approach, and the strategic approach. The functional approach represents that the South makes efforts in the area where the possibility of agreement is high for the next 10 years. The conditional approach is a scenario where the South impose all difficult issues as conditions for resolving other diplomatic issues. The balanced approach is resolving the five issues with the same priorities, while the circumstantial approach is resolving issues which seem to be resolved easily. Finally, another optimum approach has been seek using the system dynamics model developed. The optimum strategy (it is named as the strategic approach) was strikingly different from other four approaches. The optimum strategy is so complicated that no one could find it with mental model(or by just insights). Considering that the system dynamic model used to find the optimum is a simplifind (maybe over simplified) version of the reality, it is concluded that a well designed system dynamics model would be of great help to resolving the complicated diplomatic problems in any kind.

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Continuing Education for the Library and Information Professionals : Present Situation and Need Assessment (문헌정보전문직을 위한 계속교육에 관한 연구 : 현황과 요구분석)

  • Chang Hye-Rhan
    • Journal of the Korean Society for Library and Information Science
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    • v.31 no.1
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    • pp.7-28
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    • 1997
  • To investigate the present states and analyze the need of continuing education, a survey was done to the library and information professionals. Based on the personal membership file of the Korean Library Association, 292 members were selected using $25\%$ systematic sampling method. Questionnaires were mailed to them and $80\%$ returned. Of the total respondents. $90\%$ want to participate continuing education, however only $50\%$have a formal continuing education experience during last 3 years. Informal educational efforts are also weak and show much individual differences. $67\%$ of the libraries encourage continuing education but only $25\%$ of the respondents were provided with time and money for participation. The most favored mode of the continuing education Is one week course specialized In particular topic$(31.1\%)$ or area$(25.5\%)$. New methods, such as CD-ROM. online etc. were also preferred. Respondents regard professional association, society, and the library Information science department of university as desirable leading organization for continuing education. Among the 16 possible topics to be educated, respondents showed substantially higher Interest(more than $50\%$) In 5topics, and there were significant need differences In 7 topics among groups divided by library type.

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Design and Implementation of Space Time Point for Real-time Public Transportation Route Guidance (실시간 대중교통 경로안내를 위한 Space Time Point 모델의 설계와 구현)

  • Kim, Soo-Ho;Joo, Yong-Jin;Park, Soo-Hong
    • Spatial Information Research
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    • v.20 no.3
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    • pp.83-93
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    • 2012
  • Recent environmental concerns have made interest in environment-friendly transportation means such as walking, biking, and public transportation. However, since it is difficult to move long distance by walking or biking, their scope of application is rather limited. On the other hand, public transportation can solve traffic congestion, a recent social issue, though its usability may depend on its time schedule. Currently available information services on public transportation in the Web do not reflect well such traits of the public transportation; thus, in some cases, they may provide wrong information to end users. To solve such problems and provide information based on timetable of public transportations, this paper proposes a STP(Space Time Point) data model. Unlike existing space-time data models, this model recognizes the bottommost element of an object as a point and structures these points in hierarchical way to define an object. In particular, It can make it possible to implement a variety of dynamic spatial objects changing object information according to time. An objective of this study is to design a STP model for bus and subway based on timetables of public transportation in Daejeon area and builds a system to provide path navigation. With the designed navigation function, a path from the Daejeon National Cemetery to Hannam University was searched by time slot. The result showed that the system provided different paths by time, as the system guided different paths when bus operation was limited in midnight. As existing data model could not provide such results, it is confirmed that the system can provide path navigation based on real-time traffic information. It is expected that based on such functionality, it is possible to provide additional functionalities by applying diverse data models such as real-time transport information or traffic history information.

Uncoupled Solution Approach for treating Fluid-Structure Interaction due to the Near-field Underwater Explosion (근거리 수중폭발에 따른 유체-구조 상호작용 취급을 위한 비연성 해석방법)

  • Park, Jin-Won
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.20 no.10
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    • pp.125-132
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    • 2019
  • Because the water exposed to shock waves caused by an underwater explosion cannot withstand the appreciable tension induced by the change in both pressure and velocity, the surrounding water is cavitated. This cavitating water changes the transferring circumstance of the shock loading. Three phenomena contribute to hull-plate damage; initial shock loading and its interaction with the hull plate, local cavitation, and local cavitation closure then shock reloading. Because the main concern of this paper is local cavitation due to a near-field underwater explosion, the water surface and the waves reflected from the sea bottom were not considered. A set of governing equations for the structure and the fluid were derived. A simple one-dimensional infinite plate problem was considered to verify this uncoupled solution approach compared with the analytic solution, which is well known in this area of interest. The uncoupled solution approach herein would be useful for obtaining a relatively high level of accuracy despite its simplicity and high computational efficiency compared to the conventional coupled method. This paper will help improve the understanding of fluid-structure interaction phenomena and provide a schematic explanation of the practical problem.

The Effect of STEAM Camp Program for Gifted High School Students on Their Creative Leader Competency and STEAM Literacy (STEAM 캠프를 통한 영재학급 고등학생의 융합인재소양과 창의적 인재 역량 변화)

  • Kim, Hak Bum;Cha, Jeongho
    • Journal of Science Education
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    • v.45 no.2
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    • pp.231-246
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    • 2021
  • The Korean Ministry of Education has emphasized the convergent ability for human resource cultivating the development of science and technology in the future. Based on this, Korean STEAM education aims to enhance students' interest and their understanding of science and technology as well as to develop students' convergence thinking and problem-solving skills. Through the camp for gifted students, students are generally introduced to produce self-directed outputs in order to solve the problem in everyday life. In this study, the author aims to find out whether the gifted high school students' creative leader competency and STEAM literacy changed after they experienced STEAM-based camp. 517 gifted students from 52 high schools in the Metropolitan city region join the camp, which is focused on generating student-centered outputs for problem-solving in daily life context. Before and after the camp, the creative leader competency and the STEAM literacy of participants were tested and compared. From the result, we found that the gifted high school students' creative leader competency and STEAM literacy improved after participating in the STEAM camp. In particular, all the sub-factors except for the social value pursuit domains in the social characteristic area of creative leader competency and the areas of creativity, respect, and communication in STEAM literacy increased. Educational implications will be discussed.

Behavioral Change of Workers who completed Experiential Safety Training (체험식 안전교육 이수 근로자의 행동 변화 연구)

  • Choonhwan, Cho
    • Journal of the Society of Disaster Information
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    • v.19 no.1
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    • pp.161-172
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    • 2023
  • Safety education delivered to construction workers in a lecture manner has limitations in concentration and immersion, so delivery power and interest are low. In order to improve unstable behavior through education and prevent safety accidents, it is necessary to change the paradigm to hands-on education. Purpose: Experiential safety education aims to contribute to preventing accidents for construction workers by quickly recognizing risks, improving emergency response skills, and verifying the effectiveness of pre- and post-learning. Method: Based on a survey of workers who experienced the same work environment as the actual construction site, an opinion survey on the pre- and post-safety experience education and a variable measurement tool were planned, and a research hypothesis was established. Results: The Bayesian theory and MC simulation analysis were used to analyze the structural equation model, and the change in construction worker behavior was confirmed through the intended safety (A), non-experiential education in the sub-area of anxiety (B), average, standard deviation, and minimum and maximum values. Conclusion: The effect of education and industrial accidents are reduced only when construction workers are motivated to participate.