• KSII Transactions on Internet and Information Systems (TIIS)
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• 제17권3호
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• pp.794-815
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• 2023

The rapid development of mobile communication not only has made the industry gradually diversified, but also has enhanced the service quality requirements of users. In this regard, it is imperative to consider jointly network slicing and mobile edge computing. The former mainly ensures the requirements of varied vertical services preferably, and the latter solves the conflict between the user's own energy and harsh latency. At present, the integration of the two faces many challenges and need to carry out at different levels. The main target of the paper is to minimize the energy consumption of the system, and introduce a multi-slice joint task offloading and resource allocation scheme for massive multiple input multiple output enabled heterogeneous networks. The problem is formulated by collaborative optimizing offloading ratios, user association, transmission power and resource slicing, while being limited by the dissimilar latency and rate of multi-slice. To solve it, assign the optimal problem to two sub-problems of offloading decision and resource allocation, then solve them separately by exploiting the alternative optimization technique and Karush-Kuhn-Tucker conditions. Finally, a novel slices task offloading and resource allocation algorithm is proposed to get the offloading and resource allocation strategies. Numerous simulation results manifest that the proposed scheme has certain feasibility and effectiveness, and its performance is better than the other baseline scheme.

• 대한통합의학회지
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• 제7권4호
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• pp.193-202
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• 2019

Purpose : The study was conducted to analyze the differences in perceptions, attitudes, and knowledge of health tourism students' medical tourism industry as a basic data for improving the curriculum for human resource development that can be activated by the medical tourism industry. Methods : The questionnaires were directly distributed and retrieved from 394 university students attending 4 year college health department and tourism department of some regions (IRB approval number, KW-2017-05). The questionnaire used the Likert 5-point scale to analyze differences in perceptions, attitudes, and knowledge levels in the medical tourism industry. Independent sample t tests were conducted to examine the differences in perceptions, attitudes, and knowledge about the medical tourism industry between the two groups. Results : Results obtained from this study are as follows. 1. Differences in perceptions of the medical tourism industry were 3.44 points for health and 3.45 points for tourism (p<.05). 2. The difference in attitude level was 2.28 for health and 2.79 for tourism. And that tourism has a high perception and attitude. The knowledge of medical tourism industry was 5.93 in health department and 7.11 in sight tourism, and the tourism sector was significantly higher (p<.001). 3. As a result of analysis on attitudes, interest, direct and indirect experience, practical knowledge acquisition, and development possibility were all statistically significant. 4. 98.6 % of the health students and 97.8 % of the tourism students did not obtain the qualification for the qualification of the international medical tourism coordinator. However, in the future, respondents who answered that they have obtained the certificate of international medical tourism coordinator responded positively to 54.9 % of tourism department and 25.2 % of health department. Conclusion : A systematic education of the medical tourism industry will improve the level of human resource development in the medical tourism industry, including the acquisition of international medical tourism coordinator certification, as well as the level of medical tourism industry awareness, knowledge and attitude.

• 한국측량학회:학술대회논문집
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• 한국측량학회 2002년도 창립 20주년기념 국제학술대회
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• pp.43-52
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• 2002

No Abstract, See Full Text

• 주류공업
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• 제10권2호
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• pp.23-33
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• 1990

• 식품산업과 영양
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• 제12권2호
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• pp.29-36
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• 2007

• 미생물과산업
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• 제36권2호
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• pp.8-12
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• 2010

• 드라이브 ㆍ 컨트롤
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• 제10권4호
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• pp.43-48
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• 2013

• 원자력산업
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• 제19권10호통권200호
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• pp.66-70
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• 1999

새로운 천년(millenium)을 바로 앞둔 현시점의 기업 경영 패러다임으로 지식 경영(Knowledge management)의 물결이 사회 각 분야에 일고 있다. 여기서 패러다임이란 `Way of thinking about` 또는 `way of doing`이며, 새로운 천년을 맞이하는 기업과 경영자에게 생각하는 방법과 행동의 변화를 요구하고 있다. 이러한 경영 환경하에서 원자력산업 교육은 지식 창출의 원천인 사람, 즉 인적 자원(human resource)의 고가치화에 있어 그 역할의 혁신이 강조되고 있다.

• Safety and Health at Work
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• 제7권1호
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• pp.12-17
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• 2016

Background: The mining industry is considered as one of the most dangerous and hazardous industries and the need for effective and efficient occupational health and safety management is critical to safeguard workers and the industry. Despite the dangers and hazards present in the mining industry, only few studies have focused on how occupational health and safety and turnover intentions in the mines. Method: The study suing a cross-sectional survey design collected quantitative data from the 255 mine workers that were conveniently sampled from the Ghanaian mining industry. The data collection tools were standardized questionnaires that measured occupational health and safety management and turnover intentions. These scales were also pretested before their usage in actual data collection. Results: The correlation coefficient showed that a negative relationship existed between dimensions of occupational health and safety management and turnover intention; safety leadership (r = -0.33, p < 0.01); supervision (r = -0.26, p < 0.01); safety facilities and equipment (r = -0.32, p < 0.01); safety procedure (r = -0.27, p < 0.01). Among these dimensions, safety leadership and safety facility were significant predictors of turnover intention, (${\beta}=-0.28$, p < 0.01) and (${\beta}=-0.24$, p < 0.01) respectively. The study also found that turnover intention of employees is heavily influenced by the commitment of safety leadership in ensuring the effective formulation of policies and supervision of occupational health and safety at the workplace. Conclusion: The present study demonstrates that safety leadership is crucial in the administration of occupational health and safety and reducing turnover intention in organizations.

• KSII Transactions on Internet and Information Systems (TIIS)
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• 제18권6호
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• pp.1500-1517
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• 2024

With the rapid development of the tourism economy, large-scale construction of tourist attractions to achieve resource utilization and ensure the healthy development of the tourism industry has become a hot topic. However, there are still issues with resource utilization and coordinated management in the economic development of the tourism industry, which in turn affects the coordinated development of the tourism industry economy. Therefore, this study utilizes self-organization theory to explore the structure, organizational mechanism, conditional driving force of evolution, and evolutionary operation mechanism of the tourism system, analyze the current tourism situation in Hunan Province and related regions, and construct a self-organization evolution model of the tourism system. The result shows that the cumulative variance contribution rate of tourism areas in Hunan Province is 78.8%, with Zhangjiajie having the highest industrial management factors and tourism resource levels in the province, with 1.6 and 3.2 respectively. Hunan Province has abundant tourism resources but overall uneven development, with a comprehensive score of -1.03. Therefore, it is necessary to leverage the coordination advantages of various departments and industries to promote sustainable and healthy development of tourism areas. The self-organizing evolution of the tourism system not only discovers the current problems of the tourism industry, but also provides theoretical support and mechanism suggestions for the tourism system.