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인터넷 기술의 발전에 따라 디지털 콘텐트는 인터넷 환경에서 이용 가능한 디지털 형태로 제작되어 활발하게 유통되고 있다. 향후 디지털 콘텐트의 유통 및 사용이 일반화 될 것이며, 콘텐트 유통시스템 구축이 매우 중요하게 될 것이다. 그러나 현재의 디지털 콘텐트 유통 체계는 저작권 및 콘텐트 사용권, 불법재생 및 복제에 대해 무방비 상태에 있다고 해도 과언이 아니다. 디지털 콘텐트 유통시 개별적인 콘텐트를 보호 및 관리할 수 있는 기술이 필수적으로 요구되고, 저작권 보호 및 관리기술의 표준개발을 위하여 국내외 여러 표준화 단체들이 활발히 활동 중이다. 본 논문에서는 디지털 콘텐트 저작권 보호 및 관리기술을 검토하고 표준화 동향에 대해 살펴본다.
The purpose of this study is to propose valid wind velocity for designing of natural ventilation. The hourly wind data over ten years (1998.1.1~2007.12.31) in 76 cities was analyzed. Analyzing method of wind speed of the each cities is estimated by weibull parameters using weibull distribution. Mean wind velocity in seoul is 2.2m/s and the weibull parameters c and k are 2.36(c), 1.63(k). Also, weibull parameters of the other cities are different by characteristic of wind velocity. Wind velocity correspondence to 50% of weibull cumulative density distribution was selected wind speed for designing natural ventilation. And, U<SUB>50%</SUB> was corrected by characteristic of surface roughness of the cities. Corrected U<SUB>50%</SUB> in Seoul was 1.40m/s. According to this study, Corrected U<SUB>50%</SUB> decreased about 30~70% than mean wind speed of the each cities.
The purpose of this study is to propose design criteria of wind velocity for designing natural ventilation and also to verify the proposed criteria from the long term moke-up measurement. The hourly wind data over ten years (1998.1.1~2007.12.31) in 76 cities of Korea was analyzed using weibull distribution. Wind velocity belong to below 50% of the probability in wei bull cumulative distribution of 76 Korean cities was corrected by characteristic of surface roughness of the cities The design criteria wind velocity (U??) for natural ventilation are proposed. As a result of the measurement, natural ventilation rate of more than consecutive 1 day was consistent with the range of design value (1.32ACH±10%). Exceed probability of more than consecutive 6 days was about 81% that satisfied 90±10%. Therefore, design criteria of wind velocity (U??) proposed in this study is considered to be valid in natural ventilation design.
Designing the User-Based Voluntary Service Recommendation Program proposed in this study was motivated by the fact that it is not easy for volunteers to find a place for their services. Even though there are many volunteer centers or organizations, volunteers often experience difficulty in where and how they should apply for their work as those places are not well promoted. Thus, this program has been designed by applying the mobile push services along with location technology. The authors plan to introduce the program to the public as an open source by implementing the program with both Android and Python - hoping that the program will be useful to the users and volunteer organizations.
Purpose: The purpose of this study is to empirically analyze the relationship between organizational justice and organizational behavior of workers in sports service industry by using meta-analysis. Method: After searching related studies by using RISS (Research Information Sharing Service), 26 studies were selected with a thorough verification process. Next, correlation coefficients between sub-dimension of organizational justice and organizational behavior, samples size, and proportion of male which were reported in individual studies were coded. CMA (comprehensive meta-analysis 2.0) program was used for actual analysis. Results: First, the average effect size on the relationship between organizational justice and organizational behavior was shown to be above medium to high. Specifically, the sub-dimensions of organizational justice were also found to be above medium to high. Second, study with a higher proportion of males showed an increased effect size between procedural justice and organizational behavior. But, the effect size between interaction justice and organizational behavior decreased as the proportion of male was high. Conclusion: To sum up, the main findings in this study confirm that organizational justice is significantly related with organizational behavior in sport service field. In case of male, the effect of procedural justice on organizational behavior is stronger than that of female.