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Infinite failure NHPP models presented in the literature exhibit either constant, monotonic increasing or monotonic decreasing failure occurrence rate per fault (hazard function). This infinite non-homogeneous Poisson process is model which reflects the possibility of introducing new faults when correcting or modifying the software. In this paper, polynomial hazard function have been proposed, which can efficiency application for software reliability. Algorithm for estimating the parameters used to maximum likelihood estimator and bisection method. Model selection based on mean square error and the coefficient of determination for the sake of efficient model were employed. In numerical example, log power time model of the existing model in this area and the polynomial hazard function model were compared using failure interval time. Because polynomial hazard function model is more efficient in terms of reliability, polynomial hazard function model as an alternative to the existing model also were able to confirm that can use in this area.
In this study, in the process of testing before the release of the software products designed, software testing manager in advance should be aware of the testing-information. Therefore, the effective learning effects perspective has been studied using the NHPP software. The finite failure nonhomogeneous Poisson process models presented and applied property of learning effect based on truncated time and delayed S-shaped software reliability. 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 errorsdetected factor that is generally efficient model can be confirmed. This paper, a failure data analysis was performed, using time between failures, according to the small sample and large sample sizes. The parameter estimation was carried out using maximum likelihood estimation method. Model selection was performed using the mean square error and coefficient of determination, after the data efficiency from the data through trend analysis was performed.
Objectives : The aim of this study is comparing the improvement of Bell’s palsy and Ramsay hunt syndrome according to treatment duration Methods : The 11cases diagnosed as Ramsay hunt syndrome and 30cases of Bell’s palsy who visited Cheong-ju Oriental Medical hospital from February 2006 to June 2008 were evaluated. We used Yanagihara’s unweighted Grading System to confirm the improvement. Results : In the analysis of cause, except the “none”, the most common cause was “Overwork” in both two group. After 5-day treatment the score was getting worse but after 10-day treatment score was improved in both group. The improvement of Bell’s palsy group was better than that of Ramsay hunt syndrome group after 5-day and 10-day treatment, but there was no significance. Conclusions : In comparison of Yanagihara’s unweighted grading score checked before treatment, after 5-day, 10-day and 15-day treatment between Bell’s palsy and Ramsay hunt sundrome, there was no statistical significant difference.
Nowadays, all countries of the world are trying to sign a FTA (Free Trade Agreements) with other nations or blocks as a survival strategy for securing stable overseas markets and maintaining growth momentum since world economy is entering into the age of limitless competitions. According to WTO, the surge in RTAs (Regional Trade Agreements) has continued unabated since the 1990s. As of August 2013, some 370 RTAs, counting goods and services notifications separately, have notified to the GATT/WTO. FTAs and partial scope agreements account for 90% of these RTAs. FTA offers preferential status to participatory country by eliminating trade barriers and non- tariff barriers. Korea also turned to FTAs to secure its competitiveness by making partnership with other nations before competitors do. In order to preoccupy superior position, Korean government proceeded multilateral FTA negotiations simultaneously. Korea has steadily expanded its FTA network since the Korea-Chile FTA in 2004. Currently, Korea has FTAs with 47 trading partners including the world’s top three economic blocs, the U.S., EU, and ASEAN plus India. Korea-Chile FTA can be seen as a historical turning point for Korea being its first signed bilateral trade agreement. As a country in which growth is largely dependent on foreign trade, Korea initially needed to have an FTA partner having a complementary trading structure to Korea. This paper aims to analyze the changes in export competitiveness for korean industry after Korea-Chile FTA is signed. In particular, the changes measured by comparative advantage indexes of TSI, MCA, IOT, and M/S in oder to analyze the effect of Korea-Chile FTA. The changes in trade volume and competition condition over 2001 to 2012 are studied. Since the Korea-Chile FTA was implemented in 2004, both countries have strengthened the bilateral relationship between Korea and Chile by expanding and diversifying their commercial trade, as well as by offering more favorable policy measures compared to non-FTA partner countries. The findings from this study are as follows:First, the FTA have increased trade volume between Korea and Chile. Second, the FTA may not lead substantial changes in competitiveness to Korean products. Third, market share in Chile’ import market have increased. However, first-mover advantages of FTA have decrease as our rival nations such as China and Japan have concluded FTA with Chile. Fourth, since economic structure of Korea and Chile is complementary, trade concentration of goods is intensified. Based on the results of analysis, this study made several suggestions. In order to expand the benefits coming from FTAs, it is necessary for Korea to choose FTA partners considering trade partner diversification and the global recession. 최근 국가간 무역장벽 제거를 골자로 하는 FTA가 많은 국가에서 체결되고 있다. 한국은 2000년대 들어 적극적인 FTA 정책을 채택하여 칠레, ASEAN, 미국, EU 등 47개국과 이미 FTA를 체결하였으며, 지속적으로 FTA 네트워크를 확대해 나가고 있다. 그럼에도 불구하고, FTA의 경제적 효과에 대해서는 논란이 계속되고 있는데, 이러한 논쟁의 종식과 보다 긍정적인 체결효과 유도를 위해서는 이미 체결한 FTA가 국내경제에 어떠한 영향을 미치고 있는가에 대한 체계적이고도 철저한 분석이 요구되고 있다. 본 연구는 한·칠레 FTA 체결 전후의 수출효과뿐만 아니라 시장점유율분석, 무역특화지수(TSI), 시장비교우위(MCA)지수, 수출결합도(IOT)지수 등 교역변수보다 보편화된 경쟁력 측정방법을 활용하여 한국 수출산업의 대칠레 경쟁력 변화를 종합적으로 분석하였다. 분석결과에 따르면, FTA 발효 이후 대부분의 산업에서 칠레 수입시장점유율, TSI와 MCA의 변화가 크지 않아 한국 수출산업의 대칠레 경쟁력 변화에는 크게 영향을 미치지 않은 것으로 나타났으며, 양국 모두에서 IOT가 1을 상회하고 있어 양국간 수출긴밀도는 높은 것으로 조사되었다. 한·칠레 FTA는 양국간 교역확대 측면에서는 성공을 거둔 것으로 평가할 수 있으나, 양국의 투자 확대효과는 상대적으로 미약한 편이다. 향후 FTA를 추진함에 있어서 상대 국가와 수출경쟁국 등을 고려하여 조기에 협상을 타결하는 것도 중요하지만, 유리한 조건으로 적시에 협상을 타결하는 전략이 필요하다. 또한 FTA 체결에 따른 선점이익을 계속하여 향유하려면 효과적인 FTA 이행을 위한 제도 마련 및 개선, 정보 교환 및 홍보 활동 등을 지속적으로 전개해 나가야 할 것이다.
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본 논문에서 고급 업무형 커뮤니케이션(UC) 기능은 통신활동의 중복, 낭비, 재작업을 줄여 프로세스 개선에 대한 높은 효율을 제공한다. UC 앱 개발을 통해 메시지 전송, FMC 통화기능, 스케줄 관리 기능 개발과 UC 서버 구축을 위한 조직도 DataBase구축, 검색을 위한 JSP 구현, XMPP를 이용한 메시지 전송 시스템 구축한다. IP-PBX의 IP 네트워크에서 구동되는 UC 애플리케이션의 기반에서 인프라의 활용도를 높이고 실제 생활에서 필요한 서비스를 제공하는 시스템을 설계 구현한다. In this paper, high-quality business-type communications(UC) capabilities of the communication activities overlap, waste, reducing rework process improvement provides for high efficiency. Messages sent via UC app development, FMC calling features, schedule management organization for the development and deployment DataBase UC server deployment, the search for the JSP implementation, XMPP is using the messaging system. IP-PBX running on the IP network, on the basis of UC applications in real life, improve utilization of the infrastructure necessary to provide services to the system design and implementation.