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하이퍼스타 연결망 HS(2n,n)의 에지 중복 없는 최적 스패닝 트리
김종석,김성원,이형옥,Kim, Jong-Seok,Kim, Sung-Won,Lee, Hyeong-Ok 한국정보처리학회 2008 정보처리학회논문지 A Vol.15 No.6
Recently, a HyperStar network HS(2n,n) has been introduced as a new interconnection network of new topology for parallel processing. HyperStar network has properties of hypercube and star graph, further improve the network cost of a hypercube with the same number of nodes. In this paper, we show a construction algorithm of edge-disjoint spanning trees in HyperStar network HS(2n,n). Also, we prove that edge-disjoint spanning tree by the algorithm is optimal. 최근에 병렬처리를 위한 새로운 위상으로 하이퍼 스타 연결망 HS(2n,n)가 제안되었다. 하이퍼 스타 연결망은 하이퍼큐브와 스타 그래프의 성질을 가지고 있으면서, 같은 노드수를 갖는 하이퍼큐브보다 망비용이 우수한 연결망이다. 본 논문에서는 하이퍼스타 연결망 HS(2n,n)에서 에지 중복 없는 스패닝 트리를 구성하는 알고리즘을 제안한다. 그리고 제안한 알고리즘에 의해 구성된 에지 중복 없는 스패닝 트리가 에지 중복없는 최적 스패닝 트리임을 증명한다.
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國立大學캠퍼스의 학생1인당 面積格差에 의한 校舍施設 整備特性
金鍾石 대한건축학회 2003 대한건축학회논문집 Vol.19 No.5
This paper analyzed the difference in the floor areas of the facilities in the national university school building. Data on the floor area of those facilities for each student was collected from 57 campuses of 43 universities and the difference in those data were analyzed by the analysis methods, such as Lorenz Curve, Gini Coefficient Decompositions of Gini Coefficient, and Toyota's measure. The results are as follows ; 1)The difference between the research facility and the attached facility is large. However, the difference between the educational basic facility and the support facility is small. 2)Since area percentage of the research facility in the university school building is small, the research facility has a little influence on the total difference, and the attached facility that shows the large pseudo-Gini Coefficient has much influence on the total difference. 3)Campus-type of the synthesis, the science-and-engineering and so on shows the biggest difference between groups As mentioned above, quantitative and uniform maintenance should be prior to qualitative and uneven maintenance in the existing conditions that the maintenance of the facilities in the school building is behind.
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김종석 한국교육개발원 2006 한국교육 Vol.33 No.2
Consideration on the standard area of the school building by the administrative regulations for the establishment of universityKim, Jongseok(Kangnam University)The maintenance of university school building facilities has been done by the standard area of the school building in the administrative regulations for the establishment of university. The result studying 224 campuses of 180 universities shows that 74% of the campuses do not satisfy the requirement of having the standard area and the situation of the standard area is varied by the university campus characteristics.Therefore, there are a lot of problems in that the standard area of the school building has been calculated uniformly just by the number of students to a university by department.The point of the reasonable application should be considered and studied in the calculation way of the standard area of the school building by the campus characteristics, such as the organization and size of college and department, the object of establishment and a portion of the role among campuses. 대학의 교사시설정비는 「대학설립·운영규정」에 의한 교사기준면적에 의하여 행하여지고 있다. 그러나 연구대상으로 한 180대학 224캠퍼스를 조사한 결과, 74%의 대학캠퍼스가 교사기준면적을 충족시키지 못하고 있다. 또한 각 대학의 캠퍼스 특성에 따라 교사기준면적의 현황이 제각기 다르다.따라서 교사기준면적이 단지 계열별 학생수에 의하여 일률적으로 산출된다는 것에 대해서는 의문을 가질 수밖에 없다. 교사기준면적 산출방식에 있어서, 캠퍼스의 학부·학과구성 및 규모, 대학의 설립목적, 캠퍼스간의 역할분담 등의 캠퍼스 특성에 따른 적정기준적용이 고려되어야 하며, 이에 대한 연구도 계속되어야 한다.
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김종석 한국보건통계학회 1990 보건정보통계학회지 Vol.15 No.1
The study presents the parameters of Weibull distributions from ages at death of reported cases during 1984-88. And also the study investigates the proportions of cumulative hazard rates of seven leading causes to those of all causes. Data was obtained from annual reports of cause of death statistics in Korea. Major findings are as follows. 1. Scale parameters of Weibull distributions range from 58.5 to 65.1 during five years under study in male and range from 66.5 to 75.1 in femle. And in both sexes scale parameters show increasing trend. 2. Every year ages of male give higher scale parameters than of female, in accordance with more old-ages female deaths. 3. Shape parameters range from 1.39 to 1.82 during the five years in male and range from 1.25 to 1.73 in female. 4. For males ages 65 the proportion of cumulative hazard rates of injury and poisoning to all causes of death is 0.20, malignant neoplasm 0.19, liver diseases 0.11, and for females the proportion of malignatnt neoplasm is 0.15, cervrovascylar diseases 0.11 injury and poisoning 0.10.
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PMC 모델과 비교진단 모델을 이용한 하이퍼-스타 연결망의 진단도 분석
김종석,이형옥,Kim Jong-Seok,Lee Hyeong-Ok 한국정보처리학회 2006 정보처리학회논문지 A Vol.13 No.1
진단도는 상호연결망의 신뢰도를 측정하는 중요한 요소 중 하나이다. 고장 노드를 진단하기 위한 대표적인 모델로 PMC 모델과 비교진단 모델이 있다. 본 논문에서는 두 모델을 이용하여 정규연결망 하이퍼-스타 HS(2n,n)의 진단도(Diagnosability)가 n임을 보인다. Diagnosability is an important factor in measuring the reliability of an interconnection network. Typical models of fault diagnosis are the PMC and the comparison diagnosis model. In this paper, we prove that the regular network Hyper-Star HS(2n,n) under two models is n-diagnosable.
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김종석 대한건축학회 1999 대한건축학회논문집 Vol.15 No.6
This study surveys school building floor area of 57 campuses in 43 national universities in order to estimate the present condition of the national universities by the campus characteristics. The results are as follows : 1)The school building floor area of the university does not meet the standard area requirements in 77% of campuses. Especially an industrial university, the principal campus and the campus having a lot of students is not satisfied with the standard area. 2)A result of statistical test shows that the reason for school building's having not enough standard area is caused by the campus characteristics like the type of campus, a kind of university, the number of student, the campus area and floor area per student.
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