• Title/Summary/Keyword: period classification

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환자 분류체계를 이용한 응급실 방문 환아에 대한 고찰 (Review of Pediatric Patients visiting Emergency Center used Clinical Classification System)

  • 문선영;김신정
    • 간호행정학회지
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    • 제6권3호
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    • pp.375-388
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    • 2000
  • This study was attempted to help in explore new direction about Clinical Classification System of the pediatric patients visiting emergency center. Data were collected from 276 patients who visited emergency center of E University Hospital during 3 months period form March 1, to May 31, 1999. The results were as follows: 1. Distribution of pediatric patients according to Clinical Classification System, class I(59.9%) topped followed by class II(23.9%), class III(14.1%), class IV(2.0%). Average score of pediatric patients according to Clinical Classification System showed class I.00, class II .02, class III .05, class IV .07. and total mean score of items lowed averaged .01. 2. With the resepect to the Clinical Classification System according to the pediatric patients visiting emergency center, there were stastically significant difference in visiting time($x^2=27.839$, P=.023), experience of admission($x^2=11.365$, p=.010), disease classification($x^2=89.998$, p=.000), state of airway patency($x^2=18.781$, p=.000), consciousness level($x^2=59.774$, p=.000), period of symptom manifestation($x^2=34.112$, p=.000), pediatric patients protector's thinking about pediatric patients state($x^2=49.998$, p=.000), treatment outcome($x^2=72.278$, p=.000), duration of stay at emergency center($x^2=103.062$, p=.000). 3. There were significant correlation between the state of pediatric patients and Clinical Classification System(r=.530, p=.000).

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자동 분할과 ELM을 이용한 심장질환 분류 성능 개선 (Performance Improvement of Cardiac Disorder Classification Based on Automatic Segmentation and Extreme Learning Machine)

  • 곽철;권오욱
    • 한국음향학회지
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    • 제28권1호
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    • pp.32-43
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    • 2009
  • 본 논문은 자동 분할과 extreme learning machine (ELM)을 이용하여 연속 심음신호에 의한 심장질환 분류의 성능을 개선한다. 자동 분할을 위한 전처리 단계에서 비정상적인 심음신호는 심잡음 (murmur)과 클릭음 (click)을 포함하고 있기 때문에 제1음 (S1)과 제2음 (S2) 시작점 검출 결과가 부정확하거나 누락되어 기존의 심장질환 분류 시스템의 정확도를 저하시키게된다. 이러한 분할 오류에 의한 성능 저하를 감소하기 위해 S1 및 S2의 위치를 찾고, S1 및 S2의 시간 차이를 이용하여 부정확한 시작점을 교정한 다음 한 주기 심음 신호를 추출한다. 특징벡터로는 단일 주기의 심음 신호로부터 추출된 멜척도 필터뱅크 로그 에너지 계수와 포락선을 사용한다. 심장질환을 분류하기 위하여 한 개의 은닉층을 가진 ELM 알고리듬을 사용한다. 9가지 심장질환 분류 실험을 수행한 결과, 제안 방법은 81.6%의 분류 정확도를 나타내며, multi-layer perceptron(MLP), support vector machine (SVM), hidden Markov model (HMM) 중에서 가장 높은 분류 정확도를 보여준다.

분류표의 시대구분에 대한 연구 (A Study on the Chronological Division in Classification)

  • 정해성
    • 한국도서관정보학회지
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    • 제35권4호
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    • pp.469-489
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    • 2004
  • 시대구분(연대범주)은 주제와 결합하여 주제의 범위를 특정 연대(시대)로 한정하는 방법으로서 분류표에 따라서 사용기법을 달리 하고 있다. CC와 UDC는 공통구분표를 통해 일관성있고 분명한 시대구분이 가능하다. DDC와 KDC는 표준구분, 역사류, 문학류에 따라 시대구분 기호를 다르게 사용하고 있다.

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일제강점기 산술과 분석 (An Analysis on the San-Sul-Kwa Textbook under the Rule of Japanese Imperialism(1909~1945))

  • 김민경;김경자
    • 한국수학사학회지
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    • 제17권3호
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    • pp.43-60
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    • 2004
  • 일제강점기에 네 차례에 걸친 조선교육령 개정과정에서 편찬된 산술과의 교수요지, 교육내용 및 소재를 분석함으로써 당시 수학교육의 양상을 논하고 그 시대에 실행된 초등수학교육 내용과 그 시대 사회적, 문화적 시대상을 현재적 관점으로 분석, 유추해 보고자 한다.

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3축 가속도 센서를 이용한 동작분석 알고리즘 설계 (A Design of an Algorithm for Analysis of Activity Using 3-Axis Accelerometer)

  • 이승형;임예택;이경중
    • 대한전기학회논문지:시스템및제어부문D
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    • 제53권5호
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    • pp.361-367
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    • 2004
  • This paper describes design of an algorithm for analyzing human activity using body-fixed 3-axis accelerometer in the small of the back. In the first step, we distinguish static and dynamic activity period using AC signal analysis. Then five postures were classified by applying the threshold in DC signal corresponding to the static activity period. Also, after comparison of average power and taking negative peak signal in the dynamic activity period, the four dynamic activities were classified by adaptive threshold method. To evaluate the performance of the proposed algorithm, the measured signals obtained from six subjects were applied to the proposed algorithm and the results were compared with the simultaneously measured video data. As a result, the activity classification rate of 95.7% on average was obtained. Overall results show that the proposed classification algorithm has a possibility to be used to analyze the static and dynamic physical activity.

현금보유가 기업의 투자-현금흐름민감도에 미치는 영향에 대한 연구 (The impact of cash holdings on investment-cash flow sensitivity)

  • 태정현
    • 한국산학기술학회논문지
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    • 제12권4호
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    • pp.1654-1662
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    • 2011
  • 본 연구의 목적은 $\"{O}$.Arslan et al.(2006)의 연구방법론을 적용하여 국내 기업의 현금보유(cash holdings)가 투자-현금흐름 민감도(investment-cash flow sensitivity)에 어떤 영향을 주는지를 분석하는 데 있다. 1981년부터 2009년까지 외환위기 이전과 이후 그리고 외환위기 기간으로 분류하여 각 기간별로 현금보유가 투자-현금흐름 민감도에 어떤 영향을 주는 지를 비교 분석하였다. 연구 결과는 다음과 같다. 첫째, 전체 기업을 재무적 제약(financial constraint) 에 대한 고려 없이 3개의 기간으로 분류해서 살펴본 결과 외환위기 기간을 제외한 외환위기 이전과 이후 기간에서는 현금보유가 많은 기업일수록 투자-현금흐름 민감도는 감소하였다. 둘째, 기업규모나 배당지급 기준에 의해 재무적 제약하에 있지 않은 기업으로 분류된 경우에는 현금보유가 많을수록 투자-현금흐름 민감도는 오히려 증가하는 것으로 나타났다. 이는 $\"{O}$.Arslan et al.(2006)의 연구와 일치하지 않는 결과인데 첫째, 기업규모나 배당지급 여부는 국내에서는 기업의 재무적 제약을 나타내는 기준으로 불완전하며 둘째, 본 연구에서 고려하지 못한 투자-현금흐름 민감도에 영향을 주는 다른 요인들이 존재할 수 있기 때문이다. 하지만 현금보유기준에 의해 재무적 제약하의 기업으로 분류된 경우에는 투자-현금흐름 민감도는 낮게 나타났다. 이는 $\"{O}$.Arslan et al.(2006)의 연구결과와 일치한다. 끝으로 전체 기간 동안 현금보유 결정요인은 다음과 같다. 현금흐름(cash flow)과 시장가/장부가비율(market to book ratio)은 증가할수록, 단기부채와 투자지출 그리고 기업규모는 감소할수록, 기업의 현금보유증가에 양(+)의 영향을 주는 것으로 나타났다.

편측 종골 골절의 수술적 치료의 예후 관련 인자 (Predicting Factors on Surgical Management of Unilateral Calcaneal Fracture)

  • 이상욱;고상봉;이현섭
    • 대한족부족관절학회지
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    • 제10권2호
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    • pp.196-200
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    • 2006
  • Purpose: To study prognostic factors of unilateral calcaneus fracture underwent surgery. Materials and Methods: We selected appropriate 60 cases of 236 calcaneus fracture cases between March 1985 and March 2004, and analyzed the correlation between sex, age, smoking, injury mechanism, Essex-Lopresti classification of calcaneus fracture, preoperative Bohler angle, postoperative Bohler angle, postoperative 1 year Bohler angle and Visual Analogue Scale (VAS), P.S. Kerr's Calcaneal Fracture Score (CFSS). The average age was 41.4 and average follow up period was 74 (12 to 240) months. Results: For follow up period, average VAS is 3.43 and CFSS is 81.23. The sex, age, smoking, injury mechanism, and preoperative, postoperative, postoperative 1 year Bohler angle had no correlation with the prognosis. But the Essex-Lopresti classification of calcaneus fracture, tongue type had better prognosis than joint depression type (VAS : p=0.041, CFSS : p=0.021). Conclusion: In unilateral calcaneus fracture, the sex, age, smoking, injury mechanism, preoperative Bohler angle, postoperative Bohler angle, postoperative 1 year Bohler angle had no correlation with the prognosis of fracture, but in Essex-Lopresti classification, the tongue type fracture had better prognosis than the joint depression type.

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15~18세기 출토복식 편복포 구성요소의 형태변화 연구 (1) - 깃과 겉섶을 중심으로 - (A study on the change of forms the composition elements of pyeonbokpo (men's coat) excavated in the tombs of the 15th-18th century (1) - Focused on collar and seop -)

  • 김정애;이동아
    • 한국의상디자인학회지
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    • 제21권4호
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    • pp.27-42
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    • 2019
  • This paper tried a detailed approach to identify the correlation among basic elements that influenced the change of forms of the Po. To this end, the subjects were limited to the clothing from the 15th to the 18th century, which was found in the tombs of the period of Pyeonbokpo. The total number of excavated artifacts measured directly is 6 and other correctly described excavated artifacts for a total of 54 items. Per period and element, the types of collars and Seop were presented by classifying collars in 4 types, and Seop in 3 types. On the basis of the classification, the relics selected in this paper were analyzed considering the appearance, period, and rate per type of each element. The type and the change of forms of each element per period, with the focus on the appearance, were identified and the factors influencing the change of forms per element and the correlation between such factors were investigated. The representative type in the first period included dual collars, dual Seop and the representative type in the second period was characterized by a shawl collar and a dual Seop joining the pieces. The representative type in the third period was characterized by round collars and a short Seop. The elements determining the forms of Po, including collars and Seop, had a correlation to the lapse of time and had been systematically influencing each other. Furthermore, the overall change of form was caused due to the social functions as well as the supplementary function of keeping balance among the elements and accordingly, the change of forms was think characterized per period.

5·18민주화운동 기록물 통합분류체계 개발 연구 (A Study on the Development of an Integrated Classification System for Archives of May 18th Democratic Uprising)

  • 박성우;정대근
    • 한국도서관정보학회지
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    • 제48권2호
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    • pp.373-403
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    • 2017
  • 본 연구는 5 18민주화운동 기록물의 보존과 활용의 측면에서 5 18민주화운동 기록물 분류원칙을 정립하고 이를 기반으로 5 18민주화운동 기록물 통합분류체계 개발을 목적으로 하고 있다. 이를 위해 기록물 분류에 관한 선행연구 및 기관 사례분석을 실시하였고, 광주지역 5 18민주화운동 대표 기관 3곳에 소장 중인 자료에 대한 실증분석을 통해 5 18민주화운동 기록물에 적합한 출처 기반 통합분류체계를 개발하였다. 이 분류체계는 '출처-자료-시기-매체-주제', 형태의 패싯기반으로 제안하였고, 또한 아키비스트의 역할의 확장과 시대성을 반영한 컬렉션 기반 통합분류체계도 제안하였다.

조선총독부 공문서 분류체계의 복원 (An Essay for Reconstruction on the Classification System of Government-General of Chosun)

  • 배성준
    • 기록학연구
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    • 제9호
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    • pp.41-73
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    • 2004
  • This article provides the base in relation to the classification system of public records of Japan and Tiwan which the original order of the classification system of public records of Government-General of Chosun is reconstructed and the efficient classification system is prepared. The classification system of public records at the period of Meiji(明治) in Japan was classified two forms, one is function-based classification, the other is organization-based classification. Each ministry(省) was fundamentally based In function-based classification and organization-based classification, adopted them in changed forms as its condition and situation had been changed. Government-General of Tiwan adopted Japan's archival management system and put its classification system and life schedule In operation. The classification system of Government-General of Tiwan adopted function-based classification of the ministry of foreign affairs in Japan, changed its forms as the organization and business activity were transformed. As a result of arrangement and analysis of examples for the classification of public records of Government-General of Chosun from 1910' to the middle area of 1930', the classification of public records of Government-General of Chosun was constructed on level order; 'organization of ministry(部) or department(局)--business activity of ministry or department--low function of business activity of ministry or department'. But this classification system had two sides, flexible and unstable in that the classification system had exeptional parts and the breadth of items was changed greatly. The classification system of Government-General of Chosun, which had adopted organization-based classification of the ministry of home affairs in Japan, result in expanding the breadth of items and causing great change of items for the organization and business activity were vast and its change was very great.