• Title/Summary/Keyword: rate of convergence

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A Comparative Study on Health Promotion Behaviors by Complementary Alternative Therapy Utilization of Elderly Women with Osteoarthritis (퇴행성관절염 여성노인들의 보완대체요법 이용 유무에 따른 건강증진행위 비교)

  • Kim, Jeong-Suk;Park, Jeong-Sook
    • Journal of Digital Convergence
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    • v.16 no.2
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    • pp.451-459
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    • 2018
  • The aim of this study is to compare the differences in health promotion behaviors by the use of complementary alternative therapy(CAT) in elderly women with osteoarthritis. A total of 621 elderly women with osteoarthritis from public health centers and their branches at a city of C state were enrolled. This study analyzed the frequency and percentage of complementary alternative therapy utilization; a Chi-square test was used for utilization analysis according to subjects' general characteristics and disease features. Degree of health promotion behaviors according to CAT utilization was analyzed by a t-test and ANOVA. The study found that the CAT utilization rate for the total of 621 people was 61.7 %. For health promotion behaviors according to CAT utilization, statistically significant differences were found in exercise (p<0.001), health responsibility (p<0.001) and self-realization (p=0.016) from the domains. This study demonstrated the differences of health promotion behaviors based on CAT utilization. Due to the results of this study it is notable to mention that counseling, instruction for CAT utilization, and strategy development for health promotion are necessary for elderly women with osteoarthritis.

Corruption in Korean Organizations: Prevention Measures from Cultural Perspectives (한국 조직의 부패: 문화적 관점에서의 예방책)

  • Jun, In-Woo
    • Journal of Digital Convergence
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    • v.18 no.7
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    • pp.157-166
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    • 2020
  • This study examines the status of major corruption in the public and private sectors in Korea. This study adopts the secondary data analysis method, and uses 'The Status of Corruption in Korean Society' released by Ipsos in March 2019. The annual difference analysis is conducted to examine the trend of major corruption, and the results are as follows. First, in the public sector, the number of conspicuous crimes, such as bribery, has decreased, but intelligent crimes that are not easily detected, such as abuse of authority, are increasing. In the private sector, embezzlement was on the decline, but breach of trust remained at a certain level. Second, from 2003 to 2017, the average annual change rate of major corruption in the public sector was 8.0%, while the private sector was 1.8%. Third, the public sector has seen a slight increase in corruption except in 2015, but the private sector has been declining since 2014. This study is different as it makes academic contributions by offering three anti-corruption measures; changing the culture of high power distance, changing the culture of low corruption perception, and abolishing the culture of impunity. Empirical studies using primary data that separate the two groups are required.

A Study on the Competition of the World Women's Handball Championship Using Bigdata : Focused on the top 5 teams of the 2007-2019 World Women's Handball Championship (빅데이터를 활용한 여자핸드볼선수권대회 전력 비교 연구 -2007~2019년 세계여자핸드볼선수권대회 상위 5개팀과 대한민국을 중심으로-)

  • Kang, Yong-Gu;Kwak, Han-Pyong
    • Journal of Industrial Convergence
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    • v.19 no.1
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    • pp.147-158
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    • 2021
  • This study was conducted seven times from 2007 to the 2019 Women's World Handball Championships to analyze and strengthen the strength of the Korean women's handball team through the analysis of the top five countries' strengths. Among the 41 national teams participating in the World Women's Handball Championship, a total of five national teams, including the Netherlands, Norway, Russia, Spain, and France, were selected for the final study. Among the records provided by the International Handball Federation (IHF), the ranking was selected by analyzing the competition records of 41 participating countries, and technical statistics and frequency analysis were conducted using the SPSS/PC+ Ver21.0 program. based on the accumulated records of the top five women's handball competitions, handball attack and defense strategies that can make up for the inferiority in future physical conditions are needed and detailed follow-up studies are needed. Also, we hope to use it as a basic resource for improving the performance of Korean women's handball players and to play a key role in enhancing the level of women's handball at the 2021 Tokyo Olympics.

Changes in the Labor Market and Response Strategies of Construction Automation Services -Focused on purpose, implication, and strategy- (건설 자동화 서비스로 인한 노동시장의 변화와 대응전략 -목적, 시사점, 전략을 중심으로-)

  • Jae-Myung Lee;Yong-Ki Lee
    • Journal of Service Research and Studies
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    • v.12 no.3
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    • pp.158-175
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    • 2022
  • This study discusses mass unemployment and job insecurity due to the 4th industrial revolution and technological progress. In particular, the construction automation service method can contribute to increasing work productivity, preventing on-site safety accidents, and enhancing the competitiveness of the construction industry according to rapid development and convergence between technologies. However, there is great concern that the position of workers will decrease and the income distribution will deteriorate. Therefore, this study is necessary to alleviate the anxiety of the labor market and to find a direction for the government and all walks of life to ponder. To carry out this study, in-depth interviews were conducted with two experts currently engaged in the construction field, and through analysis, we intend to derive meaning and identify current trends, identify necessary improvement measures and institutional areas and suggest research directions. As a result of the analysis, it is possible to suggest a response strategy in a total of three themes: purpose, implication, and strategy. Based on this, there are response strategies in four areas: (1) industrial site response, (2) worker response, (3) education, and (4) training response, and government and corporate response. Through this study, it is necessary to revitalize economic and sociological discussions in the future so that the improvement in productivity and efficiency of society as a whole due to technological innovation of construction automation services does not lead to social problems such as an increase in the unemployment rate and a decrease in jobs in the labor market.

Study on Activating a Sustainable Carbon-neutral Community through Resident Participation based on the Evaluation of Changwon City's Carbon-neutral Village Project (창원시 탄소중립마을 사업평가를 통한 지속가능한 주민참여형 탄소중립마을 활성화 방안 연구)

  • Yu Mi Jang;Sung Jun Lee
    • The Journal of the Convergence on Culture Technology
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    • v.9 no.3
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    • pp.569-577
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    • 2023
  • This study selected seven carbon-neutral villages, considering the characteristics of each region, including all five administrative districts of Changwon City, and proposed activation plans based on business evaluations through surveys of local residents and FGIs with leaders. The analysis showed that carbon-neutral education was the most important factor for activating carbon-neutral villages, with a response rate of 91.9% for 17 multiple-choice questions, followed by legal (ordinance) arrangements at 79.3% and village organization building at 74.1%. Based on this, the following activation plans through the participation of residents who are involved in the project of creating a carbon-neutral village in Changwon City were proposed. First, the characteristics of each carbon-neutral village model were classified into a resource circulation-based model, an environmental creation-based model, an environmental education and experience event-based model, and an energy efficiency-based model. Second, it is necessary to create and present carbon-neutral village growth stage guidelines for the growth of carbon-neutral villages. Third, manuals and teaching materials related to carbon neutrality, such as theories, issues, and practices, need to be produced and distributed for leaders and activists to easily apply and access for self-government operation of the village. Finally, if a carbon-neutral support center that is legally installable in Changwon City is established, it is expected that the lives of local residents will become more sustainable for carbon-neutral living in preparation for climate crises.

Energy Demand/Supply Prediction and Simulator UI Design for Energy Efficiency in the Industrial Complex (산업단지 에너지 효율화를 위한 에너지 수요/공급 예측 및 시뮬레이터 UI 설계)

  • Hyungah Lee;Jong-hyeok Park;Woojin Cho;Dongju Kim;Jae-hoi Gu
    • The Journal of the Convergence on Culture Technology
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    • v.10 no.4
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    • pp.693-700
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    • 2024
  • As of the end of March 2022, the total area of domestic industrial complexes is 606 km2, which is only about 0.6% of the total land area. However, as of 2018, the annual energy consumption of domestic industrial complexes is 110,866.1 thousand TOE, accounting for 53.5% of the country's total energy consumption and 83.1% of the entire industrial sector energy consumption. In addition, industrial complexes have a significant impact on the environment, accounting for 45.1% of the country's total greenhouse gas emissions and 76.8% of industrial sector greenhouse gas emissions. Under this background, in this study, in order to contribute to the energy efficiency of industrial complexes, a prediction study on energy demand and supply for an industrial complex in Korea using machine learning was conducted. In addition, a simulator UI screen was designed to more efficiently convey information on energy demand/supply prediction results and energy consumption status. Among the machine learning algorithms, Multi-Layer Perceptron (MLP) was used, and Bayesian Optimization was applied as an optimization technique for the prediction model. The energy prediction model for the industrial complex built in this study showed a prediction accuracy of 87.90% for compressed air demand and 99.54% for the flow rate available for the public air compressor.

Cache Memory and Replacement Algorithm Implementation and Performance Comparison

  • Park, Na Eun;Kim, Jongwan;Jeong, Tae Seog
    • Journal of the Korea Society of Computer and Information
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    • v.25 no.3
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    • pp.11-17
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    • 2020
  • In this paper, we propose practical results for cache replacement policy by measuring cache hit and search time for each replacement algorithm through cache simulation. Thus, the structure of each cache memory and the four types of alternative policies of FIFO, LFU, LRU and Random were implemented in software to analyze the characteristics of each technique. The paper experiment showed that the LRU algorithm showed hit rate and search time of 36.044% and 577.936ns in uniform distribution, 45.636% and 504.692ns in deflection distribution, while the FIFO algorithm showed similar performance to the LRU algorithm at 36.078% and 554.772ns in even distribution and 45.662% and 489.574ns in bias distribution. Then LFU followed, Random algorithm was measured at 30.042% and 622.866ns at even distribution, 36.36% at deflection distribution and 553.878ns at lowest performance. The LRU replacement method commonly used in cache memory has the complexity of implementation, but it is the most efficient alternative to conventional alternative algorithms, indicating that it is a reasonable alternative method considering the reference information of data.

Land Use Optimization using Genetic Algorithms - Focused on Yangpyeong-eup - (유전 알고리즘을 적용한 토지이용 최적화 배분 연구 - 양평군 양평읍 일대를 대상으로 -)

  • Park, Yoonsun;Lee, Dongkun;Yoon, Eunjoo;Mo, Yongwon;Leem, Jihun
    • Journal of Environmental Impact Assessment
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    • v.26 no.1
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    • pp.44-56
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    • 2017
  • Sustainable development is important because the ultimate objective is efficient development combining the economic, social, and environmental aspects of urban conservation. Despite Korea's rapid urbanization and economic development, the distribution of resources is inefficient, and land-use is not an exception. Land use distribution is difficult, as it requires considering a variety of purposes, whose solutions lie in a multipurpose optimization process. In this study, Yangpyeong-eup, Yangpyeong, Gyeonggi-do, is selected, as the site has ecological balance, is well-preserved, and has the potential to support population increases. Further, we have used the genetic algorithm method, as it helps to evolve solutions for complex spatial problems such as planning and distribution of land use. This study applies change to the way of mutation. With four goals and restrictions of area, spatial objectives, minimizing land use conversion, ecological conservation, maximizing economic profit, restricting area to a specific land use, and setting a fixed area, we developed an optimal planning map. No urban areas at the site needed preservation and the high urban area growth rate coincided with the optimization of purpose and maximization of economic profit. When the minimum point of the fitness score is the convergence point, we found optimization occurred approximately at 1500 generations. The results of this study can support planning at Yangpyeong-eup.ausative relationship between the perception of improving odor regulation and odor acceptance.

An Analysis and Industrial Classification of Modeling and Simulation Service Industry (모델링 및 시뮬레이션 서비스 산업 분류 및 현황 분석)

  • Kim, Myungil;Jung, Jaeyun;Han, Yuri;Park, Sung-Uk;Kim, Jaesung
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.18 no.3
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    • pp.185-198
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    • 2017
  • Since the year 2000, the growth rate of domestic manufacturing has declined and the sales and employment have decreased. Major developed countries have established a variety of strategies to strengthen their manufacturing competitiveness, and promote manufacturing innovation through the convergence of technology and ICT. The key to manufacturing innovation is to reduce the time and cost for developing new products using modeling and simulation (M&S) technology in the product design stage. M&S industries, which belong to the top sector of the industry value chain, have a huge ripple effect across other industries. On the other hand, the competitiveness of the domestic M&S industry is weak compared to developed countries and even the definition and classification of domestic M&S companies have not been made. In this paper, by analyzing the Korea Standard Industry Classification (KSIC), five fine industry classifications included in M&S service companies were derived. In addition, the 307 M&S service companies were derived in accordance with the selection procedure of 3 steps from the 11,822 related companies. To analyze the capabilities of domestic M&S service companies, the current status of the selected M&S service companies was investigated. Considering the Korean economy's high dependence on the manufacturing industry, strengthening the competitiveness of manufacturing industry is required by enhancing the capacities and building an ecosystem in domestic M&S services for future sustainable economic growth.

The effects and follow-up of early preorthdontic trainer treatment on class II malocclusions (2급 부정교합에서 교정 전 Trainer를 이용한 조기치료 효과와 예후관찰)

  • Shim, Youn-Soo;Kim, Ah-Hyeon;An, So-Youn
    • Journal of Digital Convergence
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    • v.11 no.4
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    • pp.303-309
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    • 2013
  • TRAINER for Kids ($T4K^{TM}$, Myofunctional. Research Co, Australia) is a prefabricated myofunctional orthodontic appliance recommended to ClassII division1 malocclusion patients who have bad oral habits such as mouth breathing, tongue thrusting, inappropriate tongue position, thumb sucking and so on. Trainer has a soft texture and a small volume so that those advantages lead to an increase in the agreement rate of young patients of its use. This presentation is to analyze clinical efficacy of Trainer. The analysis is based on a result of regular follow-up on Class II division1 malocclusion patients who has been completely treated by Trainer in the Sanbon Dental Hospital of Wonkwang university. This case report is to present the satisfactory results gained by using Trainer on Class II patients. First, Trainer was applied in Class II malocclusion patients of mixed dentition with expected space insufficient to gain facial improvement. Second, excessive overjet, overbite were improved. Third, main effects are regarded to have been achieved by development of lingual slant of upper jaw, labial slant of lower jaw, and lower part of jaw bone.