• Title/Summary/Keyword: 신뢰 결정요인

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The Study of Software Reliability Model from the Perspective of Learning Effects for Burr Distribution (Burr분포 학습 효과 특성을 적용한 소프트웨어 신뢰도 모형에 관한 연구)

  • Kim, Dae-Soung;Kim, Hee-Cheul
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.12 no.10
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    • pp.4543-4549
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    • 2011
  • In this study, software products developed in the course of testing, software managers in the process of testing software test and test tools for effective learning effects perspective has been studied using the NHPP software. The Burr distribution applied to distribution was based on finite failure NHPP. Software error detection techniques known in advance, but influencing factors for considering the errors found automatically and learning factors, by prior experience, to find precisely the error factor setting up the testing manager are presented comparing the problem. As a result, the learning factor is greater than automatic error that is generally efficient model could be confirmed. This paper, a numerical example of applying using time between failures and parameter estimation using maximum likelihood estimation method, after the efficiency of the data through trend analysis model selection were efficient using the mean square error and $R^2$.

Relative Importance Analysis on Technology Adoption Factors of RFID in SCM (SCM에서 무선인식 기술 수용 요인 별 상대적 중요도 분석)

  • Kim, Tae-Young;Choi, Jun-Seok
    • The Journal of the Korea Contents Association
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    • v.7 no.6
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    • pp.185-194
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    • 2007
  • Today, there is in the world-wide cognition about RFID technology due to established standard, EPC(Electronic Product Code). RFID technology will have wide influence over various fields. Especially, RFID technology's advantages will have positive influence on logistics field. We can solve limited various problems presented in SCM by applying RFIB technology. We can have higher cantrol system, better benefits and actual decision information. Many organizations, however, still have hesitated now because RFID technology has not been validated and RFID technology is in early stage. Other problems are employee resistance against new technology and lack of academic empirical research on assimilation RFID technology for organization. Above reasons I mentioned make me study on analysis on assimilation RFID technology decision in SCM field. This study attempts to analyze the assimilation RFID technology factor from previous researches by using AHP. This outcomes of study will be helpful when we assimilate RFID technology in SCM fields.

Senior Citizen Centers Utilization: Role of Socio-Demographic Factors, Life Satisfaction and Health Condition in Korea (경로당 이용과 인구사회학적 요인, 삶의 만족도, 건강상태에 관한 연구)

  • Song, Geurum;Sharma, Bimala;Nam, Eun Woo
    • Journal of agricultural medicine and community health
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    • v.45 no.3
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    • pp.141-153
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    • 2020
  • 목적: 한국은 지역사회 기반 통합 돌봄(커뮤니티케어)을 통해 노인들을 위한 보건 및 사회복지 서비스의 확대를 추진하고 있다. 본 연구는 노인의 경로당 이용에 대한 인구사회인적 요인, 삶의 만족도, 건강상태 등이 미치는 영향을 파악하고자 한다. 연구방법: 2017년 노인실태조사 자료를 이용하여, 횡단 분석 연구가 실시하였다. 이용패턴을 파악하기 위해 기술통계를 하였고, 경로당 이용과 관련된 요소들을 결정하기 위해서는 다변량 로지스틱 회귀분석을 실시하였다. 연구결과: 지난 12개월간 노인 1만299명 중 22.7%가 경로당을 이용하였다. 경로당을 이용하는 이유 중 가장 많은 응답은 경로당 동료들과 여가를 보내기 위함이었으며, 대상자의 95% 이상이 제공되는 서비스에 만족하고 있었다. 사회인구학적 특성에 대해서는 여성(AOR=1.20; 95% 신뢰 구간(CI), 1.05-1.38), 80세 이상 노인(AOR= 3.94, 95% CI, 3.30-4.71), 문맹자(AOR=5.27; 95% CI 3.80-7.30), 교육 수준이 낮거나 읍면 지역 출신(AOR=6.42; 95 % CI, 5.72-7.20)이 경로당을 이용할 가능성이 가장 높았다. 생활 만족도 부분에서는 재정적 만족도(AOR=1.21; 95% CI, 1.06-1.37), 문화에 대한 만족도(AOR=1.49; 95% CI, 1.24-1.79) 및 친구들과 사회에 대한 만족도(AOR=4.24; 95% CI, 3.17-5.66)가 높은 사람이 경로당을 더 많이 이용하는 것으로 나타났다. 질병이 없다는 응답자에 비해 만성 질환을 2개 이상 보유한자(AOR= 2.01; 95 % CI, 1.60-2.53)의 경로당 이용률이 2 배 더 높았다. 결론: 정부의 지역사회 기반 통합돌봄 정책 수립을 위하여 경로당 이용에 영향을 미치는 인구사회학적요인, 삶의 만족도, 건강상태와 관련된 요인들을 고려하여, 이용률을 높이고, 건강관리를 위한 통합 돌봄 시설이 될 수 있도록 하여야 할 것이다.

The Study of NHPP Software Reliability Model from the Perspective of Learning Effects (학습 효과 기법을 이용한 NHPP 소프트웨어 신뢰도 모형에 관한 연구)

  • Kim, Hee-Cheul;Shin, Hyun-Cheul
    • Convergence Security Journal
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    • v.11 no.1
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    • pp.25-32
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    • 2011
  • In this study, software products developed in the course of testing, software managers in the process of testing software test and test tools for effective learning effects perspective has been studied using the NHPP software. The Weibull distribution applied to distribution was based on finite failure NHPP. Software error detection techniques known in advance, but influencing factors for considering the errors found automatically and learning factors, by prior experience, to find precisely the error factor setting up the testing manager are presented comparing the problem. As a result, the learning factor is greater than automatic error that is generally efficient model could be confirmed. This paper, a numerical example of applying using time between failures and parameter estimation using maximum likelihood estimation method, after the efficiency of the data through trend analysis model selection were efficient using the mean square error and $R_{sq}$.

The Comparative Study for NHPP Software Reliability Model based on the Property of Learning Effect of Log Linear Shaped Hazard Function (대수 선형 위험함수 학습효과에 근거한 NHPP 신뢰성장 소프트웨어 모형에 관한 비교 연구)

  • Kim, Hee-Cheul;Shin, Hyun-Cheul
    • Convergence Security Journal
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    • v.12 no.3
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    • pp.19-26
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    • 2012
  • In this study, software products developed in the course of testing, software managers in the process of testing software and tools for effective learning effects perspective has been studied using the NHPP software. The log type hazard function applied to distribution was based on finite failure NHPP. Software error detection techniques known in advance, but influencing factors for considering the errors found automatically and learning factors, by prior experience, to find precisely the error factor setting up the testing manager are presented comparing the problem. As a result, the learning factor is greater than autonomous errors-detected factor that is generally efficient model could be confirmed. This paper, a failure data analysis of applying using time between failures and parameter estimation using maximum likelihood estimation method, after the efficiency of the data through trend analysis model selection were efficient using the mean square error and $R^2$(coefficient of determination).

An Empirical Study on the Effect of Internal Marketing on the Job Satisfaction, Organizational Commitment and Turnover Intention in International Logistics Firm: Primarily on International Freight Forwarders (국제물류기업의 내부마케팅이 직무만족, 조직몰입과 이직의도에 미치는 영향에 관한 실증연구 - 복합운송주선업을 중심으로 -)

  • Choi, Young-Ro
    • Journal of Korea Port Economic Association
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    • v.25 no.4
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    • pp.45-62
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    • 2009
  • The purpose of this study is to analyze the components and to verify the relationship among internal marketing, job satisfaction, organizational commitment and turnover intention in international logistics firm. In order to achieve the purpose of this study, literature survey related to internal marketing, job satisfaction, organizational commitment and turnover intention was carried out and took an empirical analysis by the use of questionnaire method for employees in international logistics firm. The final results and conclusions are as follows; Internal marketing of international logistics firm was positively related to job satisfaction and organizational commitment. Internal marketing, Job satisfaction and organizational were negatively related to turnover intention. Through this results, to increase job satisfaction and organizational commitment, and to decrease turnover intention, it is necessary to concentrate on improving internal marketing strategy.

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Construction of System on Assessment Indicators for Conservation of Sustainable Natural Ecosystem (지속가능한 자연생태계 보전을 위 한 평가지표 체계구축)

  • You Ju-Han;Jung Sung-Gwan;Oh Jeong-Hak
    • Korean Journal of Environment and Ecology
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    • v.19 no.3
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    • pp.287-298
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    • 2005
  • This study was carried out to offer the raw data on conservation of land and natural environment by constructing groups of indicators to objectively and rationally assess the sustainable natural ecosystem and present the direction for establishing and planning the environmental policy. There were selected that four assessment items were biotic, abiotic, qualitative, and functional factor. And there were extracted fifty-six indicators including density, total nitrogen, hemeroby degree, and goods production. As assessment items and indicators were over 0.6, the design of questionnaire showed no great problem. In the results of correlation analysis of assessment indicators, sociality and dominance was highly correlative in biotic factor, soil property and aspect in abiotic factor, naturalized and urbanized index in qualitative factor, and protection of landslide and soil erosion were too correlative. In the results of deciding the dimension by multidimensional scaling, as stress values were from 0.042 to 0.133, index of fit over 0.9, there no statistical problems. In case of X axis, biotic factor was structure, viewpoint in abiotic factor, composition in qualitative factor, and object in functional factor, and Y axis was shaped Into form, range, structure, and activity.

A Study on the Diffusion Factor of e-finance (e-Finance의 확산요인에 관한 연구)

  • Kim, Min-Ho;Song, Chae-Hun;Song, Sun-Yok;Cha, Sun-Kwon
    • International Commerce and Information Review
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    • v.4 no.2
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    • pp.253-277
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    • 2002
  • Nowaday, the advanced technology in information and communication has been leading the dramatic change of transaction paradigm expansion from physical basis to electronic one. As we know, financial services support most of financial exchange between two business parties. So the expansion of electronic transaction paradigm affects to every financial institutions which provide financial services. Thus, financial institutions have accepted e-Finance systems and providing internet financial services to live in the competition. The purpose of this study is to contribute the qualitative enhancement of its customer service, rapid diffusion and accurate strategy establishment for e-Finance industry in the user side. Through the literature review and factor and reliability analysis, this study selects six diffusion factors such as efficiency of perceived e-Finance, reliability and safety of e-Finance in perceived e-Finance itself's characteristic; confidence, technical factors and the customer service quality of e-Finance system in perception on e-Finance System; inclination to innovation in the personal characteristic. According to result of hypothesis verification by using logistics regression analysis, technical factors and the customer service quality of e-Finance system in perception on e-Finance System and inclination to innovation in the personal characteristic gave statistically positive effect to the diffusion decision at the significant level 0.05 and 0.01. However efficiency of perceived e-Finance, reliability and safety of e-Finance in perceived e-Finance itself's characteristic didn't affect to diffusion decision and confidence of e-Finance system in perception on e-Finance System didn't have any statistical significancy. This study can be used as a basic material for the forward empirical study of diffusion factors in the user side and be able to apply to company and government policy making or embodiment, determination for customer service quality degree of financial institutions. But this study has some limitations like didn't touch satisfaction factors and its effect, only deal domestic customers and didn't use multi-regression analysis.

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Beauty experts' perception awareness of Korean mask packs (한국 마스크팩에 대한 미용종사자들의 인식 조사)

  • Kwon, Hye-Jin
    • Journal of the Korea Convergence Society
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    • v.10 no.3
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    • pp.243-248
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    • 2019
  • This study was designed to prepare measures for future development and growth of local cosmetics industry by examining awareness, purchasing behaviors and satisfaction of beauty professionals with regard to Korean brand mask packs that have recently created a big trend in the beauty market. According to the results of survey, 80.6 percent of the respondents said that the most important factor in buying a mask pack was 'effect,' and as for the needed improvement of mask packs, 33.7 percent responded 'effect,' indicating that consumers still find the function of a product is unreliable. In addition, the respondents said that 'K-beauty effect' was the reason why mask packs were highly popular abroad, especially in China, and items that can promote beauty market were also said to be 'K-beauty advertising and promotion,' so it is believed that a good impression of K-culture rather than its own efficacy or reliability is leading to the present results. Therefore, K-beauty industry is expected to grow further in the global market if domestic and abroad consumers' confidence on the product is gained through the development of superior products that have improved effect and usability.

Treatment Strategy and Reliability Analysis of DSRC-Based Traffic Data under Interrupted Traffic States (DSRC 기반 교통정보의 가공방안과 신뢰성 분석 (단속류 구간을 중심으로))

  • Ren, Yu;Kim, Hoe Kyoung
    • The Journal of The Korea Institute of Intelligent Transport Systems
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    • v.13 no.6
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    • pp.25-33
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    • 2014
  • This study investigates the reliability of DSRC-based traffic information system on the typical urban arterial with the minimum sample size method. VISSIM has been employed to calculate the required sample size. After comparing the number of hi-pass vehicles recorded from DSRC and the required sample size, this study found that the interrupted traffic state tends to generate more outliers than the uninterrupted one, the lack of the number of vehicles completely passing links with multiple driveways makes it difficult to estimate the reliable traffic information, the traffic information during peak hour is relatively more reliable than that during off-peak hour, and the reliability of DSRC-based traffic information system depends on the significance level in calculating the sample size. The driveway density and traffic signal operation due to the individual link length significantly affects the required sample size, resulting in determining the reliability of the DSRC-based traffic information system.