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이용현 ( Yong-hyun Lee ),이승용 ( Seong-yong Lee ),김동국 ( Dong-kook Kim ),노봉남 ( Bong-nam Noh ) 한국정보처리학회 2007 한국정보처리학회 학술대회논문집 Vol.14 No.1
컴퓨터의 생활 전반에 걸친 영향으로, 컴퓨터는 우리 생활 속에서 빼놓을 수 없는 하나의 정보 매체로 자리 매김 되었다. 하지만 그 이면에는 컴퓨터를 이용한 전산망 침해 행위, 전자기록 위·변조, 각종 음란물 유통, 바이러스 제작 유포 등 많은 위험들이 우리를 위협하고 있다. 그래서 컴퓨터를 사용한 범죄 행위를 탐지하는 방법에 대한 관심이 높아지고 있다. 또한 각종 범죄 행위는 인터넷을 통한 범죄가 늘고 있어, 네트워크 정보를 통한 포렌식에 관한 연구가 활발하다. 하지만, 매일 많은 양의 패킷을 분석하는 것은 많은 전문 인력과 비용이 소요된다. 본 논문에서는 의사결정나무를 이용한 패킷분석을 통하여 네트워크 포렌식의 정보를 추출하는 방법을 제안한다.
매선 요법의 국내외 논문 분석 - 임상 논문 중심으로 -
이용석,한창현,이영준,Lee, Yong Seok,Han, Chang Hyun,Lee, Young Joon 대한예방한의학회 2016 대한예방한의학회지 Vol.20 No.3
Objectives : The focus of the review was laid on differences in research pertaining to thread embedding acupuncture between domestic and foreign journals. Methods : We collected 53 Korean articles on thread embedding acupuncture study from 4 Korean article searching sites, and 80 foreign articles from Pubmed. We analyzed the number of the theses according to the publication year, study method, journal, and subject. Results : A total number of 134 thread embedding acupuncture articles were categorized as 100 clinical trials, 14 experimental papers, and 19 literature reviews. Of the collected clinical trials, 55 were case studies, 6 were CCTs and 39 were RCTs. The domestic clinical trials were comprised of 36 case studies, 1 CCT, and 2 RCTs, and foreign clinical trials were comprised of 19 case studies, 5 CCTs, and 37 RCTs. Although only 12 of the 39 domestic clinical trials exclusively treated thread embedding acupuncture to the experimental group, 38 out of 61 foreign clinical trials undertook thread embedding acupuncture as the sole treatment. While the 2 domestic RCTs research had no significant evidence that the experimental group was different from the control group, the experimental group demonstrated better responses than the control group in 31 of the 37 foreign RCT studies. Conclusions : Studies on thread embedding acupuncture are more intensively studied in the foreign field in comparison to the domestic field. Referring to the results from the foreign thread embedding acupuncture studies, domestic use of thread embedding acupuncture should be expanded. Also, more refined research needs to be conducted in the domestic field in order for the Koran medicine to lead the thread embedding acupuncture. This study is limited in that the literature search in the foreign journals were restricted.
와이어 직조 카고메 다공질 금속을 심재로 갖는 샌드위치 판재의 최적 설계
이용현(Yong-Hyun Lee),강기주(Ki-Ju Kang) 대한기계학회 2008 大韓機械學會論文集A Vol.32 No.9
First, the effect of the geometry such as the curved shape of the struts composing the truss structure of WBK is elaborated. Then, analytic solutions for the material properties of WBK and the maximum loads of a WBK-cored sandwich panel under bending are derived. A design optimization with the face sheet thickness and the core height selected as the design variables is presented for given slenderness ratios of the WBK core. Unless the face sheet thickness is limited, the optimal design to give the maximum load per weight is always found at a confluence of three failure modes, namely, face sheet yielding, indentation plastic, and core shear modeB plastic.