• Proceedings of the Korea Information Processing Society Conference
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• 2005.05a
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• pp.129-132
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• 2005

RFID 시스템에서 태그의 위치를 추적하기 위해서 궤적은 모델링되고 색인되어야 한다. 궤적은 태그가 판독기의 인식영역으로 들어갈 때와 나갈 때 보고되는 두개의 시공간 위치를 연결한 선분으로 표현될 수 있다. 만약 태그가 판독기의 인식영역에 들어와 나가지 않으면 시공간 위치는 오직 태그가 인식영역에 들어올 때만 보고된다. 따라서 판독기에 머물고 있는 태그는 궤적을 표현할 수가 없으므로 질의 시 이러한 태그를 검색할 수 없다. 이러한 문제를 해결하기 위하여 이 논문에서는 태그의 궤적을 시간 매개변수 간격으로 정의한다. 시간 매개변수 간격은 시간에 따라 시간 축길이가 변하는 시간에 종속적인 선분으로 판독기에 머무는 객체의 궤적을 표현할 수 있다. 또한 RFID 시스템에서 사용되는 질의를 분류하고 효율적인 처리를 위해 태그의 식별자를 차원에 추가하는 방법을 제안한다.

• The Journal of the Convergence on Culture Technology
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• v.7 no.1
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• pp.416-423
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• 2021

Drawing upon research in affect and social identity theory, this study examines when and how an individual's trait positive affect (TPA) exerts a significant effect on the person's organizational citizenship behavior directed toward individuals (OCBI). A moderated mediation model was tested by using the data of 293 employees nested in 66 work groups. Results demonstrate that the indirect effect of TPA on OCBI mediated by group identification (GI) is significantly positive only when perceived group positive affect (PGPA) is low, highlighting the substituting role of PGPA in the relationship between TPA and GI. The significant conditional indirect effects at the low level of PGPA suggest that TPA functions as significant, affective resources for enhancing GI and consequently increasing OCBI of the focal member when PGPA is low. By contrast, TPA's role in enhancing GI becomes redundant when PGPA is high. The current analysis reveals potential complementary functions of TPA and PGPA in explaining subsequent identity cognition and individual behavior.

• Journal of Family Resource Management and Policy Review
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• v.25 no.2
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• pp.25-39
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• 2021

The purpose of this study was to investigate the influence of family-friendly policies on married female managers' desire for an additional child and the mediating effects of family-friendly supervisor support and work-family conflict. The analysis included 480 married female managers from the 7th survey of the 2018 Korean Women Manager Panel. Family-friendly policies were found to have an indirect effect on the desire for an additional child via family-friendly supervisor support and work-family conflict. These findings emphasize the importance of not only implementing family-friendly policies, but also creating a culture that supports them. Based on the results, approaches to interventions in the workplace to reverse the current trend of low fertility are discussed.

• Journal of Korea Entertainment Industry Association
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• v.14 no.8
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• pp.323-336
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• 2020

This study's aim was to verify the mediating effect of the social withdrawal and the community spirit within path which the perception of the local community predicted the quality of life of adolescence. For verifying the purpose of this study, this study selected a total of 2,000 cases from the Korean Child-Youth Pannel Study(KYPS) as a research target. In this study, Structural Equation Modeling(SEM) of AMOS 18.0 was applied as an analysis method, and sobel test was applied for utilizing the significance of the mediating effect. The research result were as follows through the presented research method. Firstly, this study has proved the effectiveness of the direct path that the perception of the local community predicted the quality of the life of adolescence. Secondary, this study has verified the effectiveness of the indirect path of the social withdrawal and the community spirit. Based on these findings, this study has presented the intervention methods for the quality of the life of adolescence and the suggestion for the future research.

• Korean Journal of Social Welfare
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• v.66 no.4
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• pp.157-179
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• 2014

This study introduces the mediating role of social worker's emotional labor in the relationship between person-social welfare value fit and job-related psychological attitudes. This study characterizes emotional labor as surface acting and deep acting, and job-related psychological attitudes as job satisfaction and organizational commitment. This study hypothesizes that the social worker's person-social welfare value fit raises job satisfaction and organizational commitment, that social worker's surface acting negatively mediates the relationship between social welfare value fit and psychological attitudes, and that deep acting positively mediates the relationship. The results from this study are as follows. Firstly, social worker's person-social welfare value fit raises job satisfaction and organizational commitment. Secondly, social worker's surface acting fully mediates the relationship between social welfare value fit and organizational commitment. Thirdly, deep acting fully mediates the relationship between social welfare value fit and job satisfaction, and social welfare value fit and organizational commitment. Based on these results, detailed practical and theoretical implications are discussed.

• The Journal of the Korea Contents Association
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• v.20 no.8
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• pp.350-358
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• 2020

The objective of this empirical study is to examine the mediating and moderating effects of perceived risks on the relationship between knowledge, feelings and acceptance intention towards AI. Subjects in their teens to forties were surveyed and the final sample comprised 1,969 subjects. Data were analyzed using Mediation using Multiple Regression and Moderated Multiple Regression. Results showed that people's knowledge and feelings towards AI affected their acceptance intention of AI. Results also showed that the perceived risks of AI partially mediated and moderated the relationship between feelings and acceptance intention towards AI and moderated but not mediated the relationship between knowledge and acceptance intention towards AI. Overall, these results suggest that people's perceived risks of AI are associated more strongly with their feelings towards AI than their knowledge towards AI. Implications and directions for future research were discussed in relation to increasing general population's acceptance intention towards AI.

• Journal of Elementary Mathematics Education in Korea
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• v.23 no.4
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• pp.383-403
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• 2019

The purpose of this study was to examine how students' perception of their mathematics teachers' instructional practices is associated with students' attitude toward mathematics, taking into account their self-efficacy in mathematics. The sample contained 4669 Korean fourth graders who participated in Trends in International Mathematics Science Study 2015. We used exploratory factor analysis and confirmatory factor analysis to explore the factor structure of three latent variables and conducted structural equation modeling to examine the hypothesized model. The results revealed that when students positively perceived their teachers' instructional practices, they tended to have a positive attitude toward mathematics. We also found that students' self-efficacy beliefs in mathematics positively mediated the relationship between perceived teachers' instructional practices and personal attitude toward mathematics. We discuss the practical and methodological implications of these findings and offer directions for future studies.

• Journal of Industrial Convergence
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• v.20 no.12
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• pp.269-276
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• 2022

This study was conducted with the purpose of verifying the effect of the working environment of elderly care workers on service quality and the mediating effect of emotional labor and recognition of filial piety. The subjects of the study were 460 elderly care workers. For the collected data, SPSS Process macro was used. As a result, First, it was found that all variables had a significant positive (+) relationship. Second, the parallel mediating effect of emotional labor and recognition of filial piety was confirmed. Third, the mediating effect of recognition of filial piety and the moderating effect of emotional labor were verified. Based on this study, it was found that filial piety awareness education and emotional labor management are necessary. A follow-up study with a more expanded concept should be conducted.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.20 no.9
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• pp.111-120
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• 2019

This study examined the mediating effects of perceived organizational support (POS) on the relationship between the person-job fit and job satisfaction of service workers. POS is divided into socioemotional POS and instrumental POS. To achieve the research purpose, a questionnaire survey was conducted on workers in charge of service jobs in domestic companies through an on-line survey system and finally, the results of 281 respondents were analyzed to verify the hypothesized research model with an 80.3% effective recovery rate. The findings are as follows. First, the person-job fit has positive effects on job satisfaction and POS. Second, among the sub-constructs of POS, socioemotional support has mediating effects, but instrumental support has no mediating effects on the relationship between person-job fit and job satisfaction. Based on the results of this study, this study suggests theoretical and practical implications for the human resource development and management of service workers. Overall, changes in the recruitment system, which can judge the person-job fit of employees who perform emotional labor facing customers, organizational culture and personnel system for establishing socioemotional support system, and compensation and workforce development system, are needed to enhance the job satisfaction of service workers.

• The Journal of the Korea Contents Association
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• v.21 no.8
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• pp.489-497
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• 2021

This study presents the results of an empirical analysis on whether the experience of contact with North Korea and North Korean settlers affects the perceptions of unification. Specifically, the purpose of this study was to examine whether the contact experience enhances intimacy with the North Korean settlers or raises a friendly perception of North Korea.The results of this study are as follows. First, the experience of contact with North Korea and North Korean defectors had a positive effect on intimacy with North Korean settlers, friendly perception of North Korea, and perceptions of unification. Second, intimacy toward North Korean settlers and perception of North Korea played a mediating role between contact experience and unification consciousness.