• Title/Summary/Keyword: consistency analysis

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Formal Definition and Consistency Analysis of Feature-Oriented Product Line Analysis Model (특성 지향의 제품계열분석 모델의 정형적 정의와 일관성 분석)

  • Lee Kwanwoo
    • Journal of KIISE:Software and Applications
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    • v.32 no.2
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    • pp.119-127
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    • 2005
  • Product line analysis is an activity for analyzing requirements, their relationships, and constraints in a product line before engineering product line assets (e.g., architectures and components). A feature-oriented commonality and variability analysis (called feature modeling) has been considered an essential part of product line analysis. Commonality and variability analysis, although critical, is not sufficient to develop reusable and adaptable product line assets. Dependencies among features and feature binding time also have significant influences on the design of product line assets. In this paper. we propose a feature-oriented product line analysis model that extends the existing feature model in terms of three aspects (i.e., feature commonality and variability, feature dependency, and feature binding time). To validate the consistency among the three aspects we formally define the feature-oriented product line analysis model and provide rules for checking consistency.

A Note on Linear SVM in Gaussian Classes

  • Jeon, Yongho
    • Communications for Statistical Applications and Methods
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    • v.20 no.3
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    • pp.225-233
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    • 2013
  • The linear support vector machine(SVM) is motivated by the maximal margin separating hyperplane and is a popular tool for binary classification tasks. Many studies exist on the consistency properties of SVM; however, it is unknown whether the linear SVM is consistent for estimating the optimal classification boundary even in the simple case of two Gaussian classes with a common covariance, where the optimal classification boundary is linear. In this paper we show that the linear SVM can be inconsistent in the univariate Gaussian classification problem with a common variance, even when the best tuning parameter is used.

Revision of Feasibility Evaluation Guideline for Agricultural Infrastructure Improvement Project Using AHP Approach (AHP를 이용한 농업생산기반정비사업 타당성평가 개선방안)

  • Yun, Sung-wuk;Lee, Seok-joo;Lee, Han-sung;Chung, Won-ho
    • Journal of Korean Society of Rural Planning
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    • v.25 no.2
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    • pp.35-45
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    • 2019
  • This study revises current feasibility evaluation guideline for agricultural infrastructure improvement project considering recent changes in social and economic environment in rural area. We use an AHP(Analytic Hierarchy Process) approach to consider qualitative evaluation items in policy enforcement and balanced regional development as well as quantitative items in current economic analysis in the process of feasibility evaluation and decision making. The criteria system is composed of three level hierarchy. In the first level which consists of economic analysis, policy analysis, and regional development analysis, economic analysis was ranked top with relative weight of 0.45 and regional development analysis the lowest with 0.22. In the second level which consists of three evaluation items under policy analysis, consistency in policy enforcement, risk factors, and special evaluation factors, consistency in policy enforcement was ranked top. Finally, 13 detailed evaluation items in the third level were surveyed and ranked by using a comprehensive criticality vector. The result shows that the three most important evaluation items are 'degree of underdevelopment', 'spill-over effect of regional economy' and 'consistency with related planning and policy direction'.

Analysis of Design Concept based on the Level of Consistency in Fashion Show Models' Physical Appearance - Focus on S/S Paris Collection 2014 - (패션쇼 모델의 외적 통일성 정도에 따른 디자인 컨셉 분석 - 2014년 S/S Paris Collection을 중심으로 -)

  • Lee, Shin-Young
    • Fashion & Textile Research Journal
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    • v.17 no.5
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    • pp.718-730
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    • 2015
  • This study investigated the correlation between the level of consistency in fashion show models' appearance and design concept through a statistical and qualitative analysis of the S/S Paris Collection 2014. The following conclusions have been drawn in this study. First, the percentage of models of color was very low in regards to the physical appearance of models; in addition, there was a higher percentage of Caucasian models for collections with a high level of consistency in models' physical appearance. Collections with a high percentage of models of color indicate more casual design concepts and the promotion of diversity in racial background is considered more effective for street fashion. Second, collections with a high level of consistency in models' physical appearance tend to control various elements that constitute a physical appearance through more detailed planning and stage direction. Third, there is a tendency to reinforce design concepts by creating a consistency in the overall physical appearance of models. This affirms that their physical appearance is determined by brand (i.e. designer) and is used to maximize a design concept delivery. The results of this study suggests that the physical appearance of models must be determined in line with the design concept versus detailed planning that must consider audience perspectives as well as adjust the show's length and the interval between each model appearing on the stage.

A Study of stability in ratings for clothing styles (의복스타일에 따른 평가의 재현성 차이에 관한 연구)

  • 유경숙
    • Journal of the Korean Society of Clothing and Textiles
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    • v.27 no.8
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    • pp.924-934
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    • 2003
  • The aim of the present study was to measure intra-individual consistency in clothing style evaluation and to examine its relation to the ratings. For this study, a pilot test was conducted to 50 clothing majored university students to explore the stimulus of‘cute’,‘casual’,‘sexy’,‘elegant’,‘intelligent’,‘formal’,‘romantic’,‘individual’,‘refined’for the 9 each image styles from the 32 spring wears in fashion magazine$\boxDr$FARBE$\boxUl$(March, 2000). On the basis of the preliminary survey, the question items explored the 15 pairs of bipolar adjectives as seven-point Likert type. The main survey was preceded 94 female and 111 men of university students from March 13 to 24 in 2000, twice for 7-days interval. As a result of analyzing of correlation coefficients between the two ratings for each subjects, intra-individual consistency in the evaluation, ranged from -.11 to .87 and mean coefficient was .64 of female and .20 to .76 and mean coefficient was .57 of male. Female had higher intra-individual consistency in the evaluation than male. Based on the coefficients, the subjects were classified into three groups: high, medium, and low intra-individual consistency. Analysis of variance of mean ratings by the three groups revealed that significant difference existed in 42% of female and 25% of male in 135 combinations of 9 clothing and 15 semantic differential scales. There was an apparent tendency that subjects of female with high intra-individual consistency were mostly definitely to evaluate clothing, whereas the ones with low were least. But male shows opposit trend compare to each groups of female. The result of this study, it was found that female rated higher intra-individual consistency and definition in the two times evaluations than male and among the semantic differential scales'consistency differ depending on style and gender. It is believed that the result of this study is helpful clothing image evaluation, and clothing image selection tendency.

Affective Representation and Consistency Across Individuals Responses to Affective Videos (정서 영상에 대한 정서표상 및 개인 간 반응 일관성)

  • Ahran Jo;Hyeonjung Kim;Jongwan Kim
    • Science of Emotion and Sensibility
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    • v.26 no.3
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    • pp.15-28
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    • 2023
  • This study examined the affective representation and response consistency among individuals using affective videos, a naturalistic stimulus inducing emotional experiences most similar to those in daily life. In this study, multidimensional scaling was conducted to investigate whether the various affective representations induced through video stimuli are located in the core affect dimensions. A cross-participant classification analysis was also performed to verify whether the video stimuli are well classified. Additionally, the newly developed intersubject correlation analysis was conducted to assess the consistency of affective representations across participant responses. Multidimensional scaling revealed that the video stimuli are represented well in the valence dimension, partially supporting Russell (1980)'s core affect theory. The classification results showed that affective conditions were successfully classified across participant responses. Moreover, the intersubject correlation analysis showed that the consistency of affective representations to video stimuli differed with respect to the condition. This study suggests that the affective representations and consistency of individual responses to affective videos varied across different affective conditions.

Structural Relationship between Self-Leadership and Grit and Performance of Taekwondo Players: Focusing on the Multiple Mediations of Grit

  • Kim, Moo-Young
    • International journal of advanced smart convergence
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    • v.10 no.2
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    • pp.194-200
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    • 2021
  • The purpose of this study is to analyze the structural relationship among self-leadership, grit, and performance.Specifically, self-leadership was selected as an independent variable, two dimensions of grit were selected as mediator variables, and performance was selected as a dependent variable. This structural equation model is based on previous studies.The subjects of this study were middle and high school Taekwondo players, and the survey was collected using the online survey system KSDC (Korean Social-Science Data Center). The sampling method was a non-probability sampling method, convenience sampling method.A total of 367 copies were collected through this process, and 355 copies were used as the final valid samples after excluding the insincere data.Data processing was done with SPSS 23 for frequency analysis, exploratory factor analysis and reliability analysis. Also, AMOS 21 was used for confirmatory factor analysis and structural equation model analysis. The results of the analysis are as follows: First, self-leadership had a positive effect on bothi interest consistency grit and effort persistence grit. Second, it was found that both interest consistency grit and effort persistence grit have a positive effect on performance.Third,self-leadership had a positive effect on performance.

A Study on the Consistency of Socially Responsible Consumer Attitudes and Behaviors toward Environment Problem (환경문제에 대한 사회책임적 소비자태도와 행동의 일관성에 관한연구)

  • 심미영
    • Journal of Families and Better Life
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    • v.16 no.3
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    • pp.123-140
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    • 1998
  • The purpose of this study was to investigate the consistency of socially responsible consumer attitudes and behaviors toward environment problem. The major findings were as follows; 1. The socially responsible consumer behaviors toward environment problem were classified into resource conservation purchasing & using in green product and recycling behavior by factor analysis. 2. Correlation coefficient of the socially responsible attitudes and behaviors toward environment problem was found to be above. 43. This result implies that the consistency of socially responsible attitudes and behaviors was very high. 3. In the area of total socially responsible consumer attitudes and behaviors toward environment problem the related variable on the consistency of attitude and behavior were altruism perceived power of big business liberalism alienation dogmatism perceived consumer effectiveness faith on the environmental regulation policy experience of environment education and consumer i formation.

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The Study on the Generation of Verifying Rules for Consistency and Completeness of the Unified Modeling Language Diagrams (UML 다이아그램간의 일관성과 완전성을 위한 검증 규칙 생성에 관한 연구)

  • 김재웅;김진수;김치수;황선명
    • Journal of Korea Multimedia Society
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    • v.3 no.3
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    • pp.290-297
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    • 2000
  • For verifying consistency and completeness of some UML diagrams as a representative of the graphic notations for object-oriented designs, we first give an analysis of some UML diagrams and apply simple ER model to the UML diagrams. Next, we formally define this graphical representation as a set of sets and a set of functions. According to the semantics of these functions, we derive a set of rules to assure the consistency and completeness of this graphical representation. These rules will be included with a CASE tool, which possesses both the diagramming facility and the consistency and completeness checking capability.

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Consistency preservation techniques for Location Register System in Mobile Networks

  • Kim, Jang-Hwan
    • International Journal of Internet, Broadcasting and Communication
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    • v.12 no.2
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    • pp.144-149
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    • 2020
  • A database called Home Location Register(HLR) plays a major role in location management in mobile cellular networks. The objectives of this paper are to identify the problems of the current HLR system through rigorous analysis, to suggest solutions to them. The current HLR backup method is a process of simply writing the changed memory SLD block to disk, which has a problem in maintaining database consistency. Since information change and backup are performed separately by separate processes, there is a risk of information inconsistency when an error restart occurs. To solve this problem, a transaction concept was introduced for subscriber-related operation functions and a recovery method through logging and checkpointing was introduced. The subscriber related functions of tasks terminated normally by the suggested process are recovered with consistency even after system restarts. Performance is also not affected seriously because disk tasks for log occur with only subscriber related functions.