• Title/Summary/Keyword: criteria for measurement

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Study on the estimation of uncertainty for the air-borne noise measurements in a naval ship (함정 내 소음 평가를 위한 불확도 추정 기법 연구)

  • Kim, Seong-Yong
    • Journal of Advanced Marine Engineering and Technology
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    • v.38 no.4
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    • pp.396-402
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    • 2014
  • The measurement of air-borne noise in a naval ship is a crucial element. Because the noise in a naval ship interferes with a communication between crews and finally it causes to reduce the combat power. Thus, most of newly built ships have to satisfy the criteria of air-borne noise in the stage of delivery of a naval ship. In order to evaluate success or failure of criteria, uncertainty of the measurement should be considered. This study introduces the test method for the measurement of the air-borne noise in a naval ship and is concerned with the evaluation of uncertainty. The uncertainty results which was from the measurement of air-borne noise in 7 naval ships newly built satisfy the error tolerance(2dB). Therefore, it is need to reduce the error tolerance for the reliable measurement result.

A Study on the Physical Characteristics of Plus-sized Women, by Age (Plus-size 여성의 연령별 신체 특성에 관한 연구)

  • 하희정;김애린
    • The Research Journal of the Costume Culture
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    • v.11 no.1
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    • pp.153-164
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    • 2003
  • For this study, 148 female adults between the ages of 20 and 60 who satisfied the plus-size judgment criteria took part in this study. Criteria were Rohrer index is higher than 1.5, bust girth larger than 90cm, and RBW(relative body weight) index higher than 110. Using anthropometric measurement values, indirect measurement values, and index values, this study analyzed frequencies, Duncan multiple range, and ANOVA to obtain information on characteristics that determine a representative body shape, by age, 1'3r Plus-sized women. The results are as follows: Physical Characteristics of Pius-Sized Women by Their Age: Women in their 20s md 30s had broader shoulders with smaller waists, with large buttocks and thighs. Among women in their 50s and 60s, body fat level increased significantly in regions such as the chest and abdomen, which made their upper body heavier.

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The Study for Establishing the Criteria of Measurement Items in the Monitoring System for the Steel-Box Girder Bridge by FEM Analysis (구조해석에 의한 강상자형교 상시계측시스템 계측항목별 관리기준치 설정 연구)

  • Joo, Bong-Chul;Park, Ki-Tae;You, Young-Jun;Lee, Chin-Hyung;Hwang, Yoon-Koog
    • Journal of Korean Society of societal Security
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    • v.2 no.4
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    • pp.35-41
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    • 2009
  • If any bridge has the monitoring system, the bridge manager can check the history of bridge behavior and the progress of the damage more exactly. When the unexpected event (ex: earthquake and flood) happens, the manager can check the safety condition of the bridge and make the pertinent action for bridge management which is reduction of vehicle speed or traffic control through the system. Additionary the manager can make the well-timed repair or reinforcement through the system, so he can save the management cost or the life cycle cost. This study presents the method of setting the criteria by FEM analysis in bridge monitoring system, and the standard progress for setting the criteria about measurement items of monitoring system for the steel box type bridge.

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A Certification Method for the Quality of Package Software Considering the Measurement Scale (측정척도를 고려한 패키지 S/W 품질인증 방법)

  • 권원일;이공선;송기평;유영관;이종무
    • Proceedings of the Korea Association of Information Systems Conference
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    • 2001.12a
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    • pp.158-165
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    • 2001
  • The certification of software products can provide a greater level of acceptance and feeling of security to customers of these products. This paper presents a certification method for the quality of package software. First of all, the evaluation criteria are derived from ISO/1EC 9126 and 12119 standards, and then the evaluation module are designed considering the measurement scale type. The results can be applied to construct the certification scheme of software product quality for the commercial purpose.

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Measurement Scale Conversion for the Certification of Quality of Package Software (패키지 소프트웨어의 품질인증을 위한 측정척도변환)

  • 유영관;이종무
    • Proceedings of the Safety Management and Science Conference
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    • 2002.05a
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    • pp.193-197
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    • 2002
  • The certification of software products can provide a greater level of acceptance and feeling of security to customers of these products. This paper presents a certification method for the quality of package software. First of all, the evaluation criteria are derived from IS0/1EC 9126 and 12119 standards, and then the evaluation module are designed considering the measurement scale type. The results can be applied to construct the certification scheme of software product quality for the commercial purpose.

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Comparison among Algorithms for Decision Tree based on Sasang Constitutional Clinical Data (사상체질 임상자료 기반 의사결정나무 생성 알고리즘 비교)

  • Jin, Hee-Jeong;Lee, Su-Kyung;Lee, Si-Woo
    • Korean Journal of Oriental Medicine
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    • v.17 no.2
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    • pp.121-127
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    • 2011
  • Objectives : In the clinical field, it is important to understand the factors that have effects on a certain disease or symptom. For this, many researchers apply Data Mining method to the clinical data that they have collected. One of the efficient methods for Data Mining is decision tree induction. Many researchers have studied to find the best split criteria of decision tree; however, various split criteria coexist. Methods : In this paper, we applied several split criteria(Information Gain, Gini Index, Chi-Square) to Sasang constitutional clinical information and compared each decision tree in order to find optimal split criteria. Results & Conclusion : We found BMI and body measurement factors are important factors to Sasang constitution by analyzing produced decision trees with different split measures. And the decision tree using information gain had the highest accuracy. However, the decision tree that produced highest accuracy is changed depending on given data. So, researcher have to try to find proper split criteria for given data by understanding attribute of the given data.

Analysis of Quality Measurement & Evaluation Index in applying Web Information Service I (Web 정보서비스 평가를 위한 기존 측정지표 분석 I)

  • Yoo, Sa-Rah
    • Journal of the Korean Society for Library and Information Science
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    • v.34 no.3
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    • pp.133-156
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    • 2000
  • A fundamental issue to consider when searching Web information is the quality of information itself and of service. If a Quality Information System (QIS) of Digital Library is sought, new measurement criteria and evaluation index for Web information service are required. Reliance on the existing evaluation criteria is not acceptable if data retrieved are not information and the service is only noise to end-user. Applying existing evaluation criteria of online database to Environmental & Energy Engineering Web DB revealed the limitations and provided a practical and case-based information for improvement. No attempt was made to survey comprehensively all of the evaluation methods that could possibly be relevant. Instead, this discussion concentrates on the information service evaluation index being developed in the KDPC Project. The research found that domestic Web-DB service are still woefully insufficient to conduct comprehensive investigations on environmental topics. More qualified and specialized R&D Web information service and the development of new evaluation criteria based on this investigation(research I.) will be discussed in follow-up research II.

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Development of an evaluation tool for the quality of nursing care in abdominal surgery patients (복부수술 환자간호의 질평가 도구 개발)

  • Lee, Byoung-Sook
    • Journal of Korean Academy of Nursing Administration
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    • v.4 no.1
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    • pp.107-127
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    • 1998
  • The purpose of this study was to develop an evaluation tool for the quality of nursing care in abdominal surgery patient. The target subjects of the tool were adult patients having abdominal surgery under general anesthesia. Process-outcome framework was selected for the development of the tool in this study. The results were as follows. 1. Nine standards. 40 criteria and 88 indicators were developed. A standard was summary statement of the ideal level of excellencein a dimension of quality of nursing care. which could be evaluated by criteria. Several criteria indicated a specific standard and each criterion could be measured by observable and measurable indicators. 2. The standards were divided into two dimensions. One was process dimension which contained four standards(23 criteria), the other was outcome dimension which contatined five standards(17 criteria). 3. Average CVI was .985 at 9 standards. .947 at 40 criteria. and .987 at 88 indicators. 4. The evaluation tool for the quality of nursing care in abdminal surgery patients was a criterion-referenced tool. And data collection methods of the tool were investigation of patient's record and interview( or questionnaire) with the patients. 5. Interrater reliabilities of the tool were ; r= .7572 (agreement between two raters), and pI=.8487 (intraclass correlation between five raters who rated the 84 patients). 6. Internal consistency reliability ${\alpha}$ was .6194, which was obtained from 32 criteria. Eight criteria were missed in the analyzing process because of data omission. 7. Scores of the process and the outcome dimensions showed significant. but low correlation(r= .3759, p < .001). 8. There were significant differences in total scores between the hospitals and the departments of surgery(F = 15.233. p .0001). There was also significant interaction effect between hospitals and departments to total score(F = 8.396. p = .0001). Construct validity of the toool was verified by the known-group method. these kinds of difference were expected by the nursing experts participated in the study. From these results, more specific patient classification is suggested for the development of evaluation tool of the quallity of nursing care. And indicators to be used for objective measurement for the quality of nursing care must be developed.

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A Empirical Study on the Developments of Pay Satisfaction Measurements (임금만족 측정치 개발에 관한 실증적 연구)

  • 이광희
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.23 no.54
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    • pp.119-128
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    • 2000
  • This study develops the pay satisfaction questionnaire for Korean employees. Based upon the review of previous studies, 16 questionnaire items are developed. Exploratory factor analysis results in a modified measurement through item deletion, item-to-dimension reassignment, and dimension combination. The measurement model was good fit assessed by overall fit measures(GFI; goodness of fit index, AGFI; adjusted goodness of fit index, RMR; root mean square residual) criteria, lambda score, and squared multiple correlation with confirmatory factor analysis. Implication of this work for future theoretical and empirical development are suggested.

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A Study on the Improvement of Electrode Installation for Measurement of Ground Resistance through Investigation on the Spot in Buildings (현장조사를 통한 건축물 접지저항 측정용 전극 설치의 개선에 관한 연구)

  • Gil, Hyoung-Jun;Kim, Dong-Woo;Kil, Gyung-Suk
    • Journal of the Korean Institute of Illuminating and Electrical Installation Engineers
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    • v.25 no.5
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    • pp.92-97
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    • 2011
  • This paper deals with the improvement of electrode installation for measurement of ground resistance through investigation on the spot in buildings. The investigation was carried out for an earthing terminal board for measurement of ground resistance, installation of auxiliary electrode, etc. The criteria value is set up by measuring method of ground resistance in international standard. In case of inadequate installation of auxiliary electrode, a relative error is analyzed and adequate installation method of auxiliary electrode is proposed. As a consequence, it is necessary to write direction of ground and equipment, and separate auxiliary electrode for measurement of ground resistance in order to minimize measuring error.