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- 저자 : 송재경 (검색결과 296 건)
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송재경,변영철,이상준 제주대학교 공과대학 첨단기술연구소 2005 尖端技術硏究所論文集 Vol.16 No.2
In the ubiquitous computing environment, service providers should able to deliver their services to various devices, such as PDA, Smart Phone, Telematics devices. For this purpose, W3C announced 'Composite Capabilities / Preference Profile (CC/PP) Standard' for delivery-context description. At present, only a small number of mobile phone supports the CC/PP standard, But most of contents servers do not. In this paper, by analyzing request headers which are received from various ubiquitous devices, a rule-based CC/PP profiling method in ubiquitous environment is developed. Service providers can use these profiles for providing optimized services to the various devices which have different capabilities.
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송재경,이기헌,박화연,현준영,오승원,배우경,한종수,정세영,엄유진,이가혜,양지혜 대한가정의학회 2017 Korean Journal of Family Medicine Vol.38 No.1
Background: The efficacy of two artificial tears, carboxymethylcellulose (CMC) and hyaluronate (HA), was com-pared in the treatment of patients with dry eye disease.Methods: We conducted a systematic review and meta-analysis on randomized controlled trials in the PubMed, Embase, Cochrane Library, and ClinicalTrials.gov databases. The efficacy was compared in terms of the mean change from baseline in tear break-up time. The meta-analysis was conducted using both random and fixed effect models. The quality of the selected studies was assessed for risk of bias.Results: Five studies were included involving 251 participants. Random effect model meta-analysis showed no sig-nificant difference between CMC and HA in treating dry eye disease (pooled standardized mean difference [SMD]=-0.452; 95% confidence interval [CI], -0.911 to 0.007; P=0.053). In contrast, fixed effect model meta-analysis revealed significant improvements in the CMC group when compared to the HA group (pooled SMD=-0.334; 95% CI, -0.588 to -0.081; P=0.010).Conclusion: The efficacy of CMC appeared to be better than that of HA in treating dry eye disease, although meta-analysis results were not statistically significant. Further research is needed to better elucidate the difference in effi-cacy between CMC and HA in treating dry eye disease.
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