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네트워크 디스커버링을 통한 윈도 NT 서버 모니터링 시스템
조현영(Hyun-Young Cho),김성조(Sung-Jo kim) 한국정보과학회 2000 한국정보과학회 학술발표논문집 Vol.27 No.2Ⅲ
인터넷 사용자의 급격한 증가로 인해 사용자들은 더욱 다양한 인터넷 서비스들을 제공받기를 원하고 있다. 사용자들의 다양한 요구를 원활히 충족시켜주기 위하여 인터넷 서버의 성능은 날로 증대되고 있으나 서버의 관리는 네트워크의 크기가 증대될수록 점점 더 어려워지고 있다. 또한 기존의 인터넷 서버 시장은 유닉스 계열의 서버가 우위를 차지하고 있었지만, 최근 개인 PC 서버의 증가로 인해 윈도 NT 서버가 전체 서버 시장에서 차지하는 비율이 커지고 있다. 본 논문은 유닉스 서버에 비해 상대적으로 연구가 미약했던 윈도 NT 서버를 관리할 수 있는 모니터링 도구를 제시한다. 순간적으로 변화하는 네트워크 상황에 적응하기 위하여 윈도 NT 서버를 탐지할 수 있는 네트워크 디스커버리 기법을 접목함으로써 관리 대상 서버의 선택을 손쉽게 하고자 하였고, PDH 라이브러리를 사용하여 윈도 NT 서버의 관리를 보다 효율적으로 수행하였다.
도로변 및 배경농도 측정망 PM10 자료를 이용한 노후 운행경유차 배출가스 저감사업 효과 해석
김철희 ( Cheol Hee Kim ),조현영 ( Hyun Young Jo ),이승원 ( Song Weon Lee ),오창석 ( Chang Seok Oh ) 한국환경과학회 2011 한국환경과학회지 Vol.20 No.12
Emission reduction program for in-use diesel vehicles (ERPDV) has been enacted since 2004 over the Seoul metropolitan area, and diesel emission reduction is forced to fulfill this regulation. This study was performed to evaluate the ERPDV using PM10 concentrations of both road-side monitoring and national background network during the period of 2004-2010. In order to assess the pure road emission, we first eliminated the long range transport effect by deducting the trend of annual national background concentrations from the road-side PM10 concentrations, and then analyzed the time series of the resultant PM10 concentrations over Seoul metropolitan area. The annual rates of variations of road-side PM10 with the deduction of trend of background level show -3.2, +0.4, and -2.4 ㎍/m3/year, in Seoul, Incheon, and Gyonggi province, respectively. There are steadily decreasing trend in Seoul with all of statistic parameters such as mean, mediam, 5%ile, 10%ile, 25%ile, 75%ile, 90%ile, and 95%ile concentrations. Incheon shows some fluctuations with positive with no significant trend, and Gyonggi province shows overall decreasing but not consistent. Student-t test shows 95% significant level of ERPDV effect in Seoul, but there exists no significant level greater than 90% in both Incheon, and Kyonggi province. Total annual averaged trend over the whole Seoul metropolitan area is estimated to lie in approximately -2.9㎍/m3/year in this study, implying the intimate involvement of ERPDV to a large extent. This is also suggesting that the further research cost-effectiveness of ERPDV with consideration of the long range transport process would be needed over the Seoul metropolitan area.
초등학교 저학년 대상 ADHD 단독군, 동반 질환을 가진 ADHD군에서의 10회기 사회기술 훈련의 효과 비교
이소희(So Hee Lee),정운선(Un Sun Chung),황선영(Sun Yung Hwang),정재훈(Jae Hoon Jeong),김은지(Eun Ji Kim),우정민(Jeong Min Woo),조현영(Hyun Young Jo) 대한소아청소년정신의학회 2015 소아청소년정신의학 Vol.26 No.4
Objectives:Children with attention-deficit hyperactivity disorder (ADHD) have problems in social interactions. We compared the effect of 10-session social skill training (SST) among two groups, children with pure ADHD, and those with ADHD with comorbidity. Methods:Consecutive 10-session SST was conducted for 34 children from 2006 to 2012. There were 22 children with pure ADHD (male 20, female 2), and 12 children suffering from ADHD with comorbidity (male 11, female 1). All children took medication as prescribed by their doctors before the start of SST. The Child Behavior Checklist (CBCL), the Korean Personality Inventory for Children (K-PIC), the Conner’s Rating Scale, the ADHD Rating Scale, and the Home Situation Questionnaire were completed by mothers before and after the SST. All children completed the Child Depression Inventory, the Stat-Trait Anxiety Inventory for Children, the Self-Concept Scale and the ADHD Diagnostic System before and after the SST. Results:Only children with pure ADHD showed improvement in anxiety and self-concept in scales rated by children. In the CBCL rated by parents, the pure ADHD group and the ADHD with comorbidity showed improvement in both externalizing and internalizing subscales. In the K-PIC rated by parents, the pure ADHD group showed improvement in most outcomes and ADHD with comorbidity showed positive change in verbal development. Conclusion:These results suggest that SST has significant positive effects on both the pure ADHD and ADHD with comorbidity group. Further research is needed in order to target diverse comorbidity groups with ADHD to improve the effectiveness of the SST.