• Journal of the Korean Applied Science and Technology
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• v.41 no.2
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• pp.188-198
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• 2024

This study was conducted to understand the level of compliance and influencing factors to respiratory infection prevention among the college students who experienced the COVID-19 pandemic. An online survey was conducted on 200 college students from December 15, 2023 to January 5, 2024, and the data of 199 people who responded faithfully were analyzed using descriptive statistics, t-test, ANOVA, and multiple regression through SPSS 18.0. According to the result, the compliance level of respiratory infection prevention was 32.95±6.05 points on average out of 48 points. The general characteristics, which showed differences in the compliance level of respiratory infection prevention, and the characteristics related to respiratory infections were identified to be major (t=-2.59, p=.010), education on respiratory infection prevention (t=1.99, p=.048), influenza vaccination of the year (t=-2.10, p=.037), COVID-19 vaccination of the year (t=3.56, p<.001), and mask wearing in crowded places (t=4.96, p<.001). As for the factors influencing the compliance to respiratory infection prevention, major (β=0.31, p<.001), influenza vaccination of the year (β=-0.15, p=.046), and mask wearing in a crowded places (β=-0.31, p<.001) were identified as a significant variable in the multiple regression analysis. In conclusion, since respiratory infections continue to occur even after the termination of COVID-19 epidemic, it is necessary to make efforts to promote compliance to respiratory infection prevention practice, and it is expected that the factors identified in this study can be used as the basic data when developing a respiratory infection prevention program targeting college students.

• Journal of the Korean Applied Science and Technology
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• v.40 no.6
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• pp.1498-1505
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• 2023

This study attempted to investigate the difference in service orientation according to the individual characteristics of hair salon workers, and to identify the internal marketing factors of hair salon that influence service orientation. Questionnaires for empirical research were collected from hair salon workers in Gyeongnam, and the results of analyzing the collected questionnaires through IBM SPSS Statistics 26 are as follows. First, as a result of analyzing the difference in service orientation according to the individual characteristics of hair salon workers, the '40s or older' group and the 'working period of 10 years or longer' group showed statistically higher service orientation than other groups. Second, as a result of analyzing the causal relationship between internal marketing and service orientation, it was found that welfare, compensation system, education and training of internal marketings had the statistical effect on service orientation, and in particular, the compensation system had the strongest effect on service orientation. Therefore, service orientation for customers should be improved through internal marketing activities that take into account the individual characteristics of hair salon workers. The improvement of service orientation means the customer's intention to reuse, suggesting that ultimately the management performance of hair salon companies can be further improved.

• Journal of the Korean Applied Science and Technology
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• v.40 no.6
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• pp.1506-1520
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• 2023

The purpose of this study was to analyze the mediating effect of self-management in the relationship between the grit of skin care workers and its impact on self-efficacy and job performance. Research participants were 344 workers at skin care shop and hospitals in Seoul and Gyeonggi province, and data were collected through a structured questionnaire. The collected data were analyzed through descriptive statistics, confirmatory factor analysis(CFA), correlation analysis, structural equation model, and mediation effect analysis using bootstrapping method using SPSS, AMOS 26.0 Statistical programs. The conclusions drawn through a series of research procedures are as follows. First, the grit of skin care workers showed a significant positive(+) influence on self-management, self-efficacy, and job performance. Second, Self-management of skin care workers showed a significant positive(+) relationship with self-efficacy and job performance. Third, self-management of skin care workers was found to have a mediating effect in the relationship between grit and job performance. Therefore, it is judged that there is an urgent need to apply human resources management and education programs that can increase self-management, self-efficacy, and job performance through cultivating the grit of beauty industry workers.

• Journal of the Korean GEO-environmental Society
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• v.25 no.4
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• pp.21-28
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• 2024

In this study, a polyhedral domain decomposition method for Smoothed Particle Hydrodynamics (SPH) analysis is introduced. SPH which is one of meshless methods is a numerical analysis method for fluid flow simulation. It can be useful for analyzing fluidic soil or fluid-structure interaction problems. SPH is a particle-based method, where increased particle count generally improves accuracy but diminishes numerical efficiency. To enhance numerical efficiency, parallel processing algorithms are commonly employed with the Cartesian coordinate-based domain decomposition method. However, for parallel analysis of complex geometric shapes or fluidic problems under dynamic boundary conditions, the Cartesian coordinate-based domain decomposition method may not be suitable. The introduced polyhedral domain decomposition technique offers advantages in enhancing parallel efficiency in such problems. It allows partitioning into various forms of 3D polyhedral elements to better fit the problem. Physical properties of SPH particles are calculated using information from neighboring particles within the smoothing length. Methods for sharing particle information physically separable at partitioning and sharing information at cross-points where parallel efficiency might diminish are presented. Through numerical analysis examples, the proposed method's parallel efficiency approached 95% for up to 12 cores. However, as the number of cores is increased, parallel efficiency is decreased due to increased information sharing among cores.

• Journal of the Korean GEO-environmental Society
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• v.25 no.4
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• pp.13-20
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• 2024

In this paper, a parallel analysis algorithm for Smoothed Particle Hydrodynamics (SPH), one of the numerical methods for fluidic materials, is introduced. SPH, which is a meshless method, can represent the behavior of a continuum using a particle-based approach, but it demands substantial computational resources. Therefore, parallel analysis algorithms are essential for SPH simulations. The domain decomposition algorithm, which divides the computational domain into partitions to be independently analyzed, is the most representative method among parallel analysis algorithms. In Discrete Element Method (DEM) and Molecular Dynamics (MD), the Cartesian coordinate-based domain decomposition method is popularly used because it offers advantages in quickly and conveniently accessing particle positions. However, in SPH, it is important to share particle information among partitioned domains because SPH particles are defined based on information from nearby particles within the smoothing length. Additionally, maintaining CPU load balance is crucial. In this study, a highly parallel efficient algorithm is proposed to dynamically minimize the size of orthogonal domain partitions to prevent excess CPU utilization. The efficiency of the proposed method was validated through numerical analysis models. The parallel efficiency of the proposed method is evaluated for up to 30 CPUs for fluidic models, achieving 90% parallel efficiency for up to 28 physical cores.

• The Journal of the Convergence on Culture Technology
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• v.10 no.1
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• pp.411-417
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• 2024

In the event of a disaster, it is essential to establish a disaster recovery plan and disaster recovery system to minimize disruption to major IT infrastructure and provide continuous business services. In the process of building a disaster recovery system, data replication is a key element of data recovery to provide uninterrupted and continuous business services in the event of a disaster. The data replication method can be determined depending on the system configuration environment and disaster recovery goal level. In this paper, we present a method for determining a data replication method suitable for the configuration environment and disaster recovery target level when building a disaster recovery system. In addition, the replication method decision procedure is applied to build a disaster recovery system and analyze the construction results. After establishing the disaster recovery system, a test was conducted to determine whether the service was transferred to the disaster recovery center in a disaster situation and normal service was provided, and the results were analyzed. As a result, it was possible to systematically select the optimal data replication method during the disaster recovery system construction phase. The established disaster recovery system has an RTO of 3.7 hours for service conversion to the disaster recovery center to provide continuous business services, and the disaster recovery level, which was Tier 2, has been improved to the target level within 4 hours of RTO and RPO=0.

• The Journal of the Convergence on Culture Technology
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• v.10 no.1
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• pp.35-50
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• 2024

This study was attempted to determine the effect of premenstrual syndrome, menstrual pain, attitudes toward menstruation, and quality of sleep on learning immersion in female college students. The subjects of the study were 166 female college students at C University in Gyeongsangnam-do, and data collection was conducted from July 01 to August 31, 2023, using a Google questionnaire. The collected data were analyzed by correlation, multiple regression analysis. Premenstrual syndrome had a significant positive correlation with attitudes toward menstruation(r=.40, p<.001) and menstrual pain(r=.33, p<.001). And sleep quality had a significant positive correlation with menstrual pain(r=.31, p<.001) and learning immersion(r=.24, p=.002). Variables that have a significant impact on learning immersion include 'irregularity in eating' (β =.20, p=.007), 'abdominal massage' to relieve menstrual pain (β=.27, p=.003), and sleep quality (β=.16, p=.038). 'Abdominal massage' to relieve menstrual pain was found to be the best predictor of learning immersion, followed by 'irregularity in eating' and sleep quality. The total explanatory power was 13.9%. Based on the above results, in order to increase learning commitment through mitigation of premenstrual syndrome, education is necessary to seek active countermeasures by increasing various treatments and interest in them, and to have a positive attitude toward menstruation by having proper eating habits.

• Journal of the Korean Society for information Management
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• v.41 no.1
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• pp.367-387
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• 2024

This study aims to identify the recent trends and intellectual structure of international research in the field of catalog, which is undergoing a major change due to the enactment of new standards and rules and the anticipated future. For this purpose, we collected 680 articles published in the 14 years since 2010 and analyzed 1,942 author keywords extracted from them after preprocessing. The main findings of the analysis are as follows First, overseas cataloging research has seen notable growth since 2017. Second, the most frequent research topics were: cataloging, metadata, RDA, university libraries, authority control, linked data, FRBR, catalog, LCSH, libraries, andonline cataloging. Third, the research themes were divided into two clusters, one related to the traditional aspects of library cataloging and the other related to the more recently discussed topics of authority control, cooperative cataloging, RDA, and linked data, which were further subdivided into 14 subclusters. Fourth, we looked at the growth index and standard performance index of the 14 keyword clusters and found that all but one cluster showed growth in terms of discipline growth. This study is significant in that it can be used as a basis for predicting the future development of inventories for Korean academia and the field and for related education.

• The Journal of the Convergence on Culture Technology
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• v.10 no.3
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• pp.749-761
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• 2024

The purpose of this study analyzes the cultural identity, learning motivation, learning strategies, and second language acquisition trends of Chinese students living in Korea to reveal the structural relationship between these four variables, thereby revealing the cultural identity, learning motivation, and learning strategies of international students in the Korean language learning process. The purpose is to provide basic data to promote . This study verified reliability and validity through a preliminary survey targeting 200 people. This survey was conducted on 1,006 Chinese students studying abroad at six universities in Seoul, Gyeonggi-do, Busan, and Chungcheong-do from May 28 to June 15, 2023. As a result of the study, first, the structural relationship between variables was that cultural identity had a positive effect on learning motivation, learning strategies, and second language acquisition. Second, learning motivation had a positive (+) effect on learning strategies and second language acquisition. Third, learning strategies had a positive (+) (+) effect on second language acquisition. Fourth, learning motivation and learning strategy between cultural identity and learning strategy were found to play a positive (+) mediating role and multiple mediating roles. Therefore, in order to promote international students' cultural identity, learning motivation, and learning strategies in the Korean language learning process, it is necessary to increase opportunities for international students to directly experience the formation of cultural identity and to organize and teach a multifaceted curriculum centered on practice.

• The Journal of the Convergence on Culture Technology
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• v.10 no.3
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• pp.37-45
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• 2024

It is important for universities to simply provide students with programs such as special lectures on employment, information on employment, mock interviews, and how to write self-introductions, as well as various information related to life planning and career and employment. However, life planning and career planning are also provided systematically. It is very important to provide. The purpose of this study is to analyze the effects of classes on life design and career felt by students through life planning and career classes and to suggest the direction of classes on life design and career. The research results are as follows. First, through life planning and career courses, college students had time to learn about themselves in the life planning part and developed reflective thinking about how they should live their lives. And it helped me plan for my four years of college. Second, in the career and job search section, it was helpful in finding a job and career path that suited me. I also realized that there are various occupations, and it was nice to be able to think about various things about employment. And it was seen as an opportunity to recognize the existence of various occupations. Third, in terms of class progress, the class progress including experiential activities and various invited lectures were good. He also said that he was interested in the class and was able to gain self-esteem through the class. Classes related to life planning and career guidance for college students provide students with opportunities to explore various career paths, so it is expected that many such classes will be held.