• Annual Conference of KIPS
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• 2002.11b
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• pp.1127-1130
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• 2002

컴퓨터 시스템에 대한 해킹, 바이러스, 인터넷-웜 등을 이용한 사이버 공격의 급속한 증가는 사이버 공격 정보를 수집 분석하여 대응하는 사이버공격대응시스템에 대한 연구를 촉진하였다. 현재 사이버공격대응시스템의 구성 요소 중 사이버 공격 정보를 종합하여 분석하는 분석센터와 분산되어 있는 침입탐지 센서들 사이의 침입 정보교환 표준은 IETF IDMEF로 표준화되고 있으나, 분석센터의 공격 분석 결과를 바탕으로 계속되는 공격을 차단하기 위해 침입차단시스템에 새로운 보안 정책을 교환하는 방법에는 상용 제품들이 사이의 상호 연동 인증에 사용되는 OPSEC 등이 존재하지만 아직 많은 연구가 이루어지지 않고 있다. 본 논문에서는 분석센터가 침입차단시스템에 새로운 보안 정책을 하달하고, 침입차단시스템에서 보안 정책을 집행하는 데 일관된 방법을 사용할 수 있도록 신뢰관리시스템을 사이버공격대응시스템에 적용하는 방안을 제시하고 이를 기존 방법들과 비교 분석한다.

• Proceedings of the Korean Society of Computer Information Conference
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• 2014.01a
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• pp.177-180
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• 2014

서비스 산업의 급격한 발전과 더불어 최상의 서비스를 제공하기 위한 기업 간의 서비스 경쟁 심화와 고객의 욕구변화에 의해 여러 직종에서 근로자들에게 감정노동을 요구하고 있다. 감정노동은 실제 자신이 느끼는 감정과는 상관없이 직무를 행해야 하는 감정적 노동으로 은행원, 승무원, 상담원 등이 대표적인 종사자로 알려져 있다. 감정노동은 이러한 서비스업에 국한되지 않고 교사 등 사람과 대면하는 모든 부류에 포함된다고 하여도 과언이 아니다. 감정노동은 지극히 주관적이고 개인적인 경험인 '감정'에 의해 행해지는 직무 활동으로 개개인의 특성에 따라 감정노동의 정도도 다를 것이다. 이에 본 연구에서는 고객센터 상담사들을 대상으로 인구통계적 특성에 따른 집단간에 감정노동의 차이가 있는지를 살펴보고자 한다.

• Journal of the Korea Society of Computer and Information
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• v.16 no.11
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• pp.209-217
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• 2011

Recently, As it takes charge of the customer service in many enterprises, the importance of call center has been emphasized more and more. The growth of call center industry is leading lots of call center agents. But, Call center agent's frequent turnover deteriorates the labor productivity and quality. Also, This turnover increases training cost and recruit cost. For these reasons, management turnover in call center is emerging as an important issue. The purpose of this study is to analyze the relationship of job satisfaction factors, job satisfaction, organizational commitment and turnover intention of call center agent. To achieve these objective, as a conceptual model of the study, job satisfaction factors, job satisfaction, organizational commitment and turnover intention were reviewed and the model could be estimated through path analysis. According th the finding of this study, job satisfaction factors have positively impact on the job satisfaction, organizational commitment but have not directly impact on the turnover intention. Also job satisfaction and organizational commitment have negatively impact on the turnover intention. As a result, the meaningful implication of this study suggests that the increase of both job satisfaction and organizational commitment through the improvement of job satisfaction factors should be regard as important dimensions to decrease of turnover intention of call center agents.

• Journal of Drive and Control
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• v.17 no.4
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• pp.170-175
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• 2020

• Transactions of the Korean Society of Mechanical Engineers B
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• v.36 no.8
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• pp.821-828
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• 2012

Increasing heat generation in CPUs can hamper effective recirculation and by-pass because of the large temperature difference between the exhaust and the intake air through a server room. This increases the overall temperature inside a data center and decreases the efficiency of the data center's cooling system. The purpose of the data center's cooling system is to separate the intake and exhaust air by controlling the computer room air-conditioner(CRAC). In this study, ICEPAK is used to conduct a numerical analysis of a data center's cooling system. The temperature distribution and the entire room are analyzed for different volumetric flow rates. The optimized volumetric flow rate is found for each CPU power. The heat removal and temperature distribution for CPU powers of 100, 120, and 140 W are found to be the best for a volumetric flow rate of $0.15m^3/s$. The numerical analysis is verified through RTI indicators, and the results appear to be the most reliable when the RTI value is 81.

• Journal of Digital Convergence
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• v.18 no.1
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• pp.333-342
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• 2020

In this study, an interview survey was conducted for three months by a counselor who had experience of retractation of turnover intention to find out what factors played an important role in retractation of turnover intention. The results found that task shift, motivation, self-efficacy, and emotion control were the major factors in the retractation of counselor's turnover intention, while superior support and colleague support did nop affect. Among them, emotion control and task shift had more influence on retractation of turnover intention than other factors. The results of this study are expected to maximize the stabilization of the organization by lowering the turnover rate of counselor in the customer center department becoming more important in the enterprise and to provide an important theoretical basis for studies related to retractation of customer center counselor's turnover intention.

• Journal of the Korea Convergence Society
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• v.8 no.9
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• pp.67-75
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• 2017

The purpose of this study was to identify the relationship among dementia knowledge, attitude and care burden of nurses in center for dementia. A total of 101 nurses in center for dementia filled out the structure questionnaires. The data were analyzed using the t-test, ANOVA, and Pearson correlation coefficients. The mean score of dementia knowledge was $18.14{\pm}1.09$ out of 20, and the mean of dementia attitude, care burden were $153.07{\pm}.76$ out of $266, 8.01{\pm}7.09$ out of 64 respectively. There was a significant correlation between care burden and dementia attitude(r=.25, p<.05) and dementia knowledge(r=-.32, p<.001). The results suggest that it is necessary to provide continuos education and support to improve dementia knowledge and change dementia attitude positively of nurses in order to reduce care burden of nurses in center for dementia.

• Proceedings of the Korea Contents Association Conference
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• 2009.05a
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• pp.1229-1235
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• 2009

A call center is a place that an enterprise contacts with clients through information and communication technologies. It is, therefore, the integrated situation room that a consultant gives expert advice to clients using tele-marketing functions and communication technologies. Recently, the tendency of the enterprise is toward newly designing and improving the office layout in consideration of the psychology and the aesthetic intention of the personnel for a performance of the enterprise. In this paper, we study on the influence of a consultant seating arrangement on job satisfaction and immersion in order to maximize the job efficiency of the call center. Human-oriented office layout lead the consultants to be immersed in their job, to reduce stress, and to increasing the job efficiency.

• Journal of Family Resource Management and Policy Review
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• v.19 no.4
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• pp.163-181
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• 2015

This study focused on the Healthy Family Support Center and Multicultural Family Support Center, which supervise the main field of family resource management with institutional household factors. Our research objective was to present datas demonstrating an improvement in the organizational effectiveness of the Multicultural Family Support Center. The burn out average of employees working for the non-profit organization was 2.45, emotional burnout was 2.87, achievement was 2.43, and dehumanization was 2.06. The effectiveness average of the nonprofit organization was 3.56, profitability was 3.65, job satisfaction was 3.58, and organizational commitment was 3.45. The generic characters that caused burnout were age, information, and professionalism in research. The generic characters and burnout that affected the organizational effectiveness included a lack of accomplishment, and emotional exhaustion, and depersonalization, lack of information and professionalism, lack of external resources in that order. The purpose of this research was to determine the effects of burnout in order to prevent job changes and to provide basic data for the improvement of organizational effectiveness.

• Journal of Powder Materials
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• v.27 no.6
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• pp.484-489
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• 2020

In this study, acoustic and viscosity data are collected in real time during the ball milling process and analyzed for correlation. After fast Fourier transformation (FFT) of the acoustic data, changes in the signals are observed as a function of the milling time. To analyze this quantitatively, the frequency band is divided into 1 kHz ranges to obtain an integral value. The integrated values in the 2-3 kHz range of the frequency band decrease linearly, confirming that they have a high correlation with changes in viscosity. The experiment is repeated four times to ensure the reproducibility of the data. The results of this study show that it is possible to estimate changes in slurry properties, such as viscosity and particle size, during the ball milling process using an acoustic signal.