• 제목/요약/키워드: Expert Discrimination

검색결과 30건 처리시간 0.035초

학술 문헌 기반 효율적인 전문가 판별 기법 (An Efficient Expert Discrimination Scheme Based on Academic Documents)

  • 최도진;오영호;편도웅;방민주;전종우;이현병;박득배;임종태;복경수;유효근;유재수
    • 한국콘텐츠학회논문지
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    • 제21권12호
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    • pp.1-12
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    • 2021
  • 특정 연구 분야에 대한 전문성을 가진 연구자를 찾기 위해서는 객관적인 전문가 판별 방법이 필요하다. 기존에는 전문가 판별을 위해 인용 그래프 기반의 판별 기법과 수식 기반의 판별 기법이 존재한다. 본 논문에서는 기존 수식 기반 판별에서 고려하지 못하였던 다양한 특성들을 반영한 효율적인 전문가 판별 기법을 제안한다. 연구자의 전문성을 판별하기 위해 품질, 생산성, 기여도, 최신성, 정확성, 지속성을 고려한 전문성 지수를 제안한다. 또한, 학술 검색 사이트만의 특성을 반영하기 위해 소셜 인용 수를 추가로 고려한다. 다양한 학술 사이트 기반의 논문 수집 및 성능 평가 결과를 제시하고 제안하는 기법의 타당성과 실현성을 입증한다.

부산자유무역지역 입지선정 검증 -선호판별점수접근- (An Examination of Location Choice for Free Trade Zone in Busan: the Preference Discrimination Score Approach)

  • 박노경;박길영
    • 한국항만경제학회지
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    • 제21권3호
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    • pp.19-34
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    • 2005
  • The purpose of this paper is to introduce the new way of location choice for free trade zone in Busan area by using Obata and Ishii(2003) model of preference discrimination score. And also, this paper investigates the result of Choi, Bong-ho(200l) that deals with the choice of tariff free area in Busan area. Empirical main results are as follows: First, the North Port(Sinsundae)and the New Busan Port are efficient. Final winer of location choice for free trade zone is the North Port(Sinsundae). Second, the ranking result of this paper for 10 potential sites of free trade zone shows the almost similar to that of Choi, Bong-ho(200l). Policy planner for location choice of free trade zone should introduce the preference discrimination score method by Obata and Ishii(2003), because this method shows the very positive empirical results like questionaire method by expert groups and common people in Busan which should cause the much time and much money.

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Comparison with Threshold Limit Value (TLV) of Menthol Cigarettes between Expert and Consumer Panel

  • 이승용;이환우;김영호
    • 한국연초학회지
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    • 제28권1호
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    • pp.58-66
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    • 2006
  • Threshold limit value (TLV) test between expert and consumer panel was conducted about absolute, recognition and difference threshold respectively. And we tried to suggest appropriate and minimum acceptable menthol concentration level by consumer panel. Determination of threshold value was based on ASTM E 679-79 method by forced-choice ascending concentration series. In addition, a semi-ascending paired difference method was referred to conduct test. The group threshold value was determined as the value of geometric mean individual threshold. The smokers were dividend by two groups, trained and consumer panel. Trained panel was selected according to sensitivity to menthol discrimination. Consumer panel wasrecruited in proportion as population ratios including female smokers. They were all over twenty years old volunteers and summed up thirty four persons. In terms of sensor evaluation, overall difference test with seven-category scale by both trained and consumer panelists were done. On judging correct or incorrect answer, two by three cut-off levels applied to. Every test was conducted with two sessions, before smoking and during smoking period. And, only two samples served each paneI per test with regard to sensory fatigue and reliable results. All tests were replicated, and in total 32 times per panelist. In conclusion, the recognition threshold about consumer and expert panel was 358 ppm/cig. and 276 ppm/cig. in separately. Besides, absolute and difference thresholds were obtained also. And, we conduct difference threshold test with two different ways, upward and downward. And, The results of each method were 246, 195 ppm/cig., 1414, 1336 ppm/cig. and 1047, 972 ppm/cig.

DEA와 AHP 기법이 결합된 DMU의 효율성 분석 (The Efficiency Analysis for DMU Using the Integration Method of DEA and AHP)

  • 김태성;조남욱
    • 산업경영시스템학회지
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    • 제29권2호
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    • pp.1-6
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    • 2006
  • This study proposes a new approach which combines Data Envelopment Analysis(DEA) and the Analytic Hierarchy Process(AHP) techniques to effectively evaluate Decision Making Units(DMUs). While DEA evaluates a quantitative data set, employs linear programming to obtain input and output weights and ranks the performance of DMUs, AHP evaluates the qualitative data retrieved from expert opinions and other managerial information in specifying weights. The objective of this research is to design a decision support process for managers to incorporate positive aspects of DEA's absolute numerical evaluations and AHP's human preference structure values. It is believed that a pragmatic manager will be more receptive to the results that include subjective opinions incorporated into the evaluation of the efficiency of each DMU efficiency. The WPDEA method provides better discrimination than the DEA method by reducing the number of efficient units.

송전계통과 변전소의 통합 고장진단을 위한 퍼지 전문가 시스템 (A Fuzzy Expert System for the Integrated Fault Diagnosis)

  • 이흥재;임찬호;이철균;박등용;안복신
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 1998년도 하계학술대회 논문집 C
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    • pp.1039-1041
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    • 1998
  • This paper presents a practical fuzzy expert system to diagnose various faults occurred in local power systems. This integrated system can diagnose all faults occurred in a transmission network and substations. In this paper. the fuzzy reasoning of the diagnostic process is discussed in detail. The discrimination of false operations and non-operations of protective devices as well as the fault identification scheme are also analyzed together with the fuzzy inference process.

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취학 전 유아의 학교준비도 검사 개발 연구 (A Study on the Development of the School Readiness Inventory for Preschoolers)

  • 방소영;황혜정
    • Human Ecology Research
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    • 제53권1호
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    • pp.29-47
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    • 2015
  • The purpose of this study is to conceptualize the definition of school readiness specific to the context of the Republic of Korea. The school readiness test can be used as basic data to enable early childhood educational institutes to determine the general readiness of preschoolers and provide support to fit individual characteristics. For this purpose, six stages of the school readiness development process were considered, that is, draft development, primary preliminary survey, primary expert verification, secondary expert verification, secondary preliminary survey, and main survey. In the main survey, tests were conducted using the school readiness final draft targeting 344 preschoolers living in Seoul and Gyeonggi-do. The item discrimination power analysis and factor analysis for the examination area and question area were also conducted. Consequently, a test tool was developed on the basic of the results obtained, consisting of 129 items in the five areas of knowledge, function, adaptation, tendency, and attitude. The knowledge area was divided into general, linguistic, and mathematical knowledge, and the function area into fine motor function, basic living ability, expressive function, and gross motor function. The adaptation area was classified into adaptation activity, separation anxiety, maladaptive behavior, and environment adaptation; the tendency area into learning tendency; others understanding, and individual tendency, and the attitude area into rule compliance and life habits.

Development of Diagnostic System for FHR Monitering by Using Neural Networks

  • Cha Kyung-Joon;Park Moon-Il;Oh Jae-Eung;Han Hyun-Ju;Lee Hae-Jin;Park Young-Sun
    • Communications for Statistical Applications and Methods
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    • 제13권1호
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    • pp.73-88
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    • 2006
  • In this paper, we construct data-base for fetal heart rate (FHR) data and develop the FHR Monitering system to diagnose fetus, HYFM-III. For diagnostic system, a few statistical decision making mechanism are adopted, such as approximate entropy, neural networks, and logistic discrimination. Since FHR data is very chaotic, we mostly adopt nonlinear statistical methods. On the basis of this system, we expect to develop expert system for early detection of abnormal fetus.

초등학교 5학년 학생들의 분수 연산능력 평가 문항에 대한 분석 (An Analysis of Assessment Item on the Fraction Computation Ability for Fifth Grade Student)

  • 이강섭;김규상
    • 한국수학교육학회지시리즈C:초등수학교육
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    • 제8권2호
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    • pp.61-68
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    • 2004
  • The purpose of this study is to develope and analyze the assessment items which can be used in evaluation of the fraction computation ability for fifth grade students. The item development team consists of three elementary school teachers and three mathematics education expert. The developed items was analyzed item analysis after applying to 135 fifth grade students. As a results of item analysis, it shows meaningful over the level of a standard basis: reliability: 0.80; validity: item 1(1.05), item 2(1.10), item 3(.85), item 4(.90), item 5(1.08); item difficulty: item 1(-.22), item 2(-.41), item 3(.23), item 4(.40), item 5(-.01); item discrimination: item 1(.73), item 2(.73), item 3(.67), item 4(.51), item 5(.56). This means that the test tool could be useful in the evaluation of the fraction computation ability.

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보행 비정상성의 평가를 위한 보행분석 시스템의 구현 (Construction of a Gait Analysis System for Evaluating Gait Abnormalities)

  • 정민근;김상호;김태복
    • 대한산업공학회지
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    • 제17권2호
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    • pp.39-50
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    • 1991
  • The movement of human beings - walking, running, jumping and climbing, etc. - have long been of scientific interest. In particular, the science of human walking is called gait analysis. Various instruments have been developed to assist in the study of human gait. Recently gait analysis techniques are used in medical research to investigate the abnormalities of pathological gait. In this study, we constructed a comprehensive gait analysis system consisting of a walkway, a force platform, foot-switches and an ExpertVision motion analysis system. Time-distance gait parameters and vector diagrams can be analyzed by a special application program called Force Analysis System(FOANAS). Using quantitative discrimination of this system, the gait characteristic parameters of normal and pathological gait is facilitated.

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유전체 코호트 연구의 윤리적 고려 사항 (Ethical Considerations in Genomic Cohort Study)

  • 최은경;김옥주
    • Journal of Preventive Medicine and Public Health
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    • 제40권2호
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    • pp.122-129
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    • 2007
  • During the last decade, genomic cohort study has been developed in many countries by linking health data and genetic data in stored samples. Genomic cohort study is expected to find key genetic components that contribute to common diseases, thereby promising great advance in genome medicine. While many countries endeavor to build biobank systems, biobank-based genome research has raised important ethical concerns including genetic privacy, confidentiality, discrimination, and informed consent. Informed consent for biobank poses an important question: whether true informed consent is possible in population-based genomic cohort research where the nature of future studies is unforeseeable when consent is obtained. Due to the sensitive character of genetic information, protecting privacy and keeping confidentiality become important topics. To minimize ethical problems and achieve scientific goals to its maximum degree, each country strives to build population-based genomic cohort research project, by organizing public consultation, trying public and expert consensus in research, and providing safeguards to protect privacy and confidentiality.