• Title/Summary/Keyword: 가중치분석

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Evaluation on Quality of Life in Urban with Weighting Analysis by Cohort (연령별 가중치 분석을 통한 도시의 삶의 질 지표선정)

  • Kim, Sun-Ho;Cheong, Hye-Young;Lee, Myeong-Hun
    • The Journal of the Korea Contents Association
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    • v.12 no.7
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    • pp.453-462
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    • 2012
  • The purpose of this study is to analyze the quality of life and provide an objective evaluation, and differentiated according to the local population for the realization of the quality of life policies are intended to provide baseline data. This study analyzed to the Development of Quality of Life indicators and weights for age differences in the quality of life, first to select the literature and previous studies analyzing the primary evaluation criteria. Second, the final evaluation of professional conduct FGI indicators are derived. Third, experts will conduct analysis to target weights. As a result of the first domain-specific weights family safety, economic stability, residential culture, health and welfare, and traffic environment in order. In particular, a family safe zone more than twice that of the other areas appeared to be important. Is determined. Second, age weighted analysis, the higher the age, economic stability, while important, safe area for families, the more the weight of age shows a deterioration. As income increases per capita housing area and the city park area, the exhibition shows the importance of housing across all age, environment, culture, suggests that increasing interest will.

연구개발과제의 양적.질적 성과분석지수 개발 : IT핵심기술개발사업을 중심으로

  • Yu, Seung-Hun;Lee, Jong-Sik;Kim, Sang-Tae
    • Proceedings of the Technology Innovation Conference
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    • 2009.02a
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    • pp.413-433
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    • 2009
  • 질적인 측면을 충분히 감안하지 못한 양적 성과분석은 연구개발 과제의 성과를 제대로 반영하지 못하는 문제점을 안고 있다. 따라서 양적 성과와 질적 성과를 함께 종합적으로 고려할 수 있는 종합적인 성과분석지수를 개발할 필요가 있다. 본 연구에서는 주성분 분석과 동일 가중치를 부여하는 방식을 이용하여, 특허 출원 건수, SCI 게재논문 건수, 기술이전 건수라는 3가지 양적 성과지표와 이에 대응되는 특허 심사청구 항수, 논문게재 학술지의 IT, 총 연구비 대비기술료 비중의 3가지 질적 성과지표를 성과지표로 고려하면서 성과분석지수를 개발하고자 하였다. 주성분 분석의 적용 결과 특허 출원 건수(0.2160), SCI 논문게재 건수(0.1510), 기술이전 건수(0.1564), 특허 심사청구 항수(0.2257), 논문게재 학술지의 IF(0.2218), 기술료 비중(0.0291)의 가중치를 얻을 수 있었다. 이 6가지 평가지표는 종합평가지수라는 하나의 틀로 결합되어 개별 과제의 성과를 평가하는 데 활용될 수 있다. 더 나아가 양적 성과지표와 질적 성과지표로 구분하여 평가할 수 있다. 가중치 결정 방법에 따라 평가결과가 크게 달라지지는 않았지만, 가중치 결정 방법과 상관없이 양적 성과지표 평가결과와 질적 성과지표 평가결과는 크게 달랐다. 한 가지 흥미로운 점은 과제평가등급과의 상관관계를 따져보았더니 질적 성과지표와 과제등급과의 상관관계가 양적 성과지표와 과제등급과의 상관관계보다 더 크다는 것이다. 따라서 성과분석에 있어서 질적 성과지표를 반영한 질적 성과분석이 반드시 수행될 필요가 있다. 앞으로 특허 인용도 등 보다 다양한 질적 변수를 확보하여 성과분석지수를 보완할 필요가 있을 것이다.

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An Information-theoretic Approach for Value-Based Weighting in Naive Bayesian Learning (나이브 베이시안 학습에서 정보이론 기반의 속성값 가중치 계산방법)

  • Lee, Chang-Hwan
    • Journal of KIISE:Databases
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    • v.37 no.6
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    • pp.285-291
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    • 2010
  • In this paper, we propose a new paradigm of weighting methods for naive Bayesian learning. We propose more fine-grained weighting methods, called value weighting method, in the context of naive Bayesian learning. While the current weighting methods assign a weight to an attribute, we assign a weight to an attribute value. We develop new methods, using Kullback-Leibler function, for both value weighting and feature weighting in the context of naive Bayesian. The performance of the proposed methods has been compared with the attribute weighting method and general naive bayesian. The proposed method shows better performance in most of the cases.

An Analysis and Comparison on Efficiency of Load Distribution Algorithm in a Clustered System (클러스터 시스템의 부하분산 알고리즘의 효율성 비교분석)

  • Kim, Seok-Chan;Rhee, Young
    • Journal of KIISE:Computing Practices and Letters
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    • v.12 no.2
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    • pp.111-118
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    • 2006
  • In this thesis, we analyze the efficiency of the algorithm to distribute the load in the clustered system, by comparing with the existed algorithm. PWLC algorithm detects each server's load in the system at weighted period, and following the detection of the loads, a set of weights is given to each server. The system allocates new loads to each server according to its weight. PWLC algorithm is compared with DWRR algorithm in terms of variance, waiting time by varying weighted Period. When the weighted period is too short, the system bears a heavy load for detecting load over time. On the other hand, when the weighted period is too long, the load balancing control of the system becomes ineffective. The analysis shows PWLC algorithm is more efficient than DWRR algorithm for the variance and waiting time.

Evaluation of weights to get the best move in the Gonu game (고누게임에서 최선의 수를 구하기 위한 가중치의 평가)

  • Shin, Yong-Woo
    • Journal of Korea Game Society
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    • v.18 no.5
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    • pp.59-66
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    • 2018
  • In this paper, one of the traditional game, Gonu game, is implemented and experimented. The Minimax algorithm was applied as a technique to implement the Gonu game. We proposed an evaluation function to implement game in Minimax algorithm. We analyze the efficiency of algorithm for alpha beta pruning to improve the performance after implementation of Gonu game. Weights were analyzed for optimal analysis that affected the win or loss of the game. For the weighting analysis, a competition of human and computer was performed. We also experimented with computer and computer. As a result, we proposed a weighting value for optimal attack and defense.

Weight Determination of Landslide Factors Using Artificial Neural Networks (인공신경 망을 이용한 산사태 발생요인의 가중치 결정)

  • 류주형;이사로;원중선
    • Economic and Environmental Geology
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    • v.35 no.1
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    • pp.67-74
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    • 2002
  • The purpose of this study is to determine the weights of the factors for landslide susceptibility analysis using artificial neural network. Landslide locations were identified from interpretation of aerial photographs, field survey data, and topography. The landslide-related factors such as topographic slope, topographic curvature, soil drainage, soil effective thickness, soil texture, wood age and wood diameter were extracted from the spatial database in study area, Yongin. Using these factors, the weights of neural networks were calculated by backpropagation training algorithm and were used to determine the weight of landslide factors. Therefore, by interpreting the weights after training, the weight of each landslide factor can be ranked based on its contribution to the classification. The highest weight is topographic slope that is 5.33 and topographic curvature and soil texture are 1 and 1.17, respectively. Weight determination using backprogpagation algorithms can be used for overlay analysis of GIS so the factor that have low weight can be excluded in future analysis to save computation time.

Performance Analysis of Q-Algorithm According to Weight in Gen-2 RFID System (Gen-2 RFID 시스템에서 가중치에 따른 Q-알고리즘의 성능 분석)

  • Lim, In-Taek
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2011.05a
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    • pp.529-531
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    • 2011
  • In Gen-2 Q-algorithm, the values of weight C, which is the parameter for incrementing or decrementing the slot-count size, are not defined in the standard. In this case, if the reader selects an inappropriate weight, there are a lot of empty or collided slots. As a result, the performance will be degraded because the frame size does not converge to the optimal point quickly during the query round. In this paper, we analyze how the performances of Gen-2 Q-algorithm will be affected by the weight value.

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Establishing the Importance Weight Model of IT Investment Evaluation Criteria through AHP Analysis (AHP 기법을 적용한 IT프로젝트 사전타당성 평가항목의 가중치 산출)

  • Kwon, Min-Young;Koo, Bon-Jae;Lee, Kuk-Hie
    • Information Systems Review
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    • v.8 no.1
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    • pp.265-285
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    • 2006
  • The purpose of this research is to identify the major evaluation criteria of IT investment projects and establish the importance weights of criteria through AHP analysis. Seven evaluation criteria which have been drawn from prior studies and industry practices are direct costs, indirect costs, financial benefits, strategic value, risk, technical necessity, and political considerations. Data have been collected from 95 IT projects in 40 public organizations and private firms in Korea. After having applied the data reliability test, 79 projects have been selected. The results of AHP analysis show the importance weights and priorities of seven evaluation criteria as follows: financial benefits 25.2%, strategic value 22.36%, direct costs 14.34%, risk 12.10%, technical necessity 11.55%, political considerations 8.3%, and indirect costs 6.48%. And the weights of seven criteria shows considerable differences among three different IT project types such as transactional, informational, and infrastructural.

Shape design of conformal array using the beam pattern synthesis (빔 패턴 성능 분석을 이용한 곡면 배열 형상 설계)

  • Lee, Keunhwa;Shin, Donghoon;Lim, Jun-Seok;Hong, Wooyoung;Ha, Younghoon
    • The Journal of the Acoustical Society of Korea
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    • v.40 no.4
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    • pp.347-358
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    • 2021
  • The objective of this study is to optimize the shape of doubly curved surface where a conformal array is equipped. That surface is modeled with a double-ellipsoid solid controlled by four parameters. By analyzing the performance of the conformal array beams with the beam pattern synthesis, two design parameters are determined. Then, we define the weighted object function which is formulated as the sum of sharp indexes for directivity index, the elevation resolution, and the bearing resolution. The direct calculation on all grids is used to evaluate the weighted object function and seek the optimal value of two design parameters when the weightings are given. In the simulation, four kinds of weighting cases are respectively applied to evaluate the weighted object function. The optimal shapes of double-ellipsoid solid are shown in each case. Especially, when the uniform weightings are used, the double-ellipsoid solid with more smooth surface is obtained.

Determination of Weight Coefficients of Multiple Objective Reservoir Operation Problem Considering Inflow Variation (유입량의 변동성을 고려한 저수지 연계 운영 모형의 가중치 선정)

  • Kim, Min-Gyu;Kim, Jae-Hee;Kim, Sheung-Kown
    • Journal of Korea Water Resources Association
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    • v.41 no.1
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    • pp.1-15
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    • 2008
  • The purpose of this study is to propose a procedure that will be able to find the most efficient sets of weight coefficients for the Geum-River basin in Korea. The result obtained from multi-objective optimization model is inherently sensitive to the weight coefficient on each objective. In multi-objective reservoir operation problems, the coefficient setting may be more complicated because of the natural variation of inflow. Therefore, for multi-objective reservoir operation problems, it may be important for modelers to provide reservoir operators with appropriate sets of weight coefficients considering the inflow variation. This study presents a procedure to find an appropriate set of weight coefficients under the situation that has inflow variation. The proposed procedure uses GA-CoMOM to provide a set of weight coefficient sets. A DEA-window analysis and a cross efficiency analysis are then performed in order to evaluate and rank the sets of weight coefficients for various inflow scenarios. This proposed procedure might be able to find the most efficient sets of weight coefficients for the Geum-River basin in Korea.