• Title/Summary/Keyword: 데이터 획득 빈도

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A Disaster Victim Management System Using Geographic Information System (지리정보시스템을 활용한 재난피해자 관리시스템)

  • Hwang, Hyun-Suk;Choi, Eun-Hye;Kim, Chang-Soo
    • Journal of the Korean Association of Geographic Information Studies
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    • v.14 no.1
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    • pp.59-72
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    • 2011
  • The research of psychological supporting systems as safety and welfare for disaster victims damaged psychologically as well as physically by a sudden disaster to return to effectively their social life has been carried. The domestic National Emergency Management Agency(NEMA) is operating the Disaster Victim Psychology Support Center that helps with curing damaged psychology and studies the transmission system of psychology management services, the classification of victims for disaster psychology support, and emergency consultation method to systemically support disaster psychology management. However, current psychology supporting centers provide the simple information for supporting centers such as medical and social welfare organizations. The development research of IT-based management systems to obtain needed information to construct the proposed systems curing psychological damage is still primitive step. Therefore, this paper shall propose a GIS-based integrated management system for victims and managers to effectively share related information one another and to return to victims' social life as soon as possible. Also, we implement a simple prototype system based on the Web. The proposed system supports the spatial search and statistical analysis based on map as well as keyword search, because having the location information on disaster victims, damage occurrence places, welfare and medical institutions, and psychological supporting centers. In addition, this system has the advantage reducing the frequency of disaster damage by providing aids in making efficient policy systems for the managers.

A Study on the Reduction of Common Words to Classify Causes of Marine Accidents (해양사고 원인을 분류하기 위한 공통단어의 축소에 관한 연구)

  • Yim, Jeong-Bin
    • Journal of Navigation and Port Research
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    • v.41 no.3
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    • pp.109-118
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    • 2017
  • The key word (KW) is a set of words to clearly express the important causations of marine accidents; they are determined by a judge in a Korean maritime safety tribunal. The selection of KW currently has two main issues: one is maintaining consistency due to the different subjective opinion of each judge, and the second is the large number of KW currently in use. To overcome the issues, the systematic framework used to construct KW's needs to be optimized with a minimal number of KW's being derived from a set of Common Words (CW). The purpose of this study is to identify a set of CW to develop the systematic KW construction frame. To fulfill the purpose, the word reduction method to find minimum number of CW is proposed using P areto distribution function and Pareto index. A total of 2,642 KW were compiled and 56 baseline CW were identified in the data sets. These CW, along with their frequency of use across all KW, are reported. Through the word reduction experiments, an average reduction rate of 58.5% was obtained. The estimated CW according to the reduction rates was verified using the Pareto chart. Through this analysis, the development of a systematic KW construction frame is expected to be possible.

An Adjustment Method for the Group Difference in the National Enterance Examination (수능시험 집단간 실력차이 보정방법에 관한 연구)

  • 남보우
    • Proceedings of the Korean Operations and Management Science Society Conference
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    • 2002.05a
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    • pp.1085-1092
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    • 2002
  • 수십만명의 대입응시자와 대학입학을 준비하는 수백만명의 초중고등학교 학생들에게 공정한 경쟁의 규칙과 측정방법을 마련하여 적응하는 것은 매우 중요하다. 현행 대학입학 수학능력 시험에서 각 영역별 표준점수는 응시계열인 인문계열, 자연계열, 예체능계열로 나누어 각 계열의 평균과 표준편차를 사용하여 계산한다. 따라서 동일한 점수도 어느 응시계열에 속하는가에 따라 표준점수가 달라지게 되며, 상이한 표준점수를 사용하여 대등한 경쟁을 하는 경우가 있어 불공정성이 제기된다. 비록 변환표준점수로 조정하여 계열간 불공정이 어느 정도 조정되지만, 자신의 점수에 비하여 집단의 평균점수가 낮을수록 변환표준점수가 증가하게 되므로 계열선택의 영향이 없다고 보기 어렵다. 이러한 결과로 유리한 계열로 대거 이동하는 현상이 나타나고 있다. 본 연구는 대학입학에 필수적인 대학입학 수학능력시험에서 계열간 실력차이를 보정하여 공정한 경쟁을 가능하게 하는 표준점수 계산방법을 제시하였다. 또한 모든 과목이 선택과목이 되는 2005학년도부터 시행될 수학능력시험에서 과목간 표준점수를 보정하는 방법을 제시하였다 본 연구는 결론을 도출하는데 있어 응시자들간 표준점수의 차이는 응시과목에 따라 달라지지 않는다는 과목의 동질성을 가정하였다. 응시과목의 동질성 가정하에서 집단간의 표준점수를 보정하는 방식은 동일한 시험문제로 각 집단이 시험을 보는 경우 집단간의 차이만큼을 표준점수에 합하여 보정하고, 각 집단이 고유하게 응시하는 시험과목은 공통과목의 차이만큼을 각 집단에 보정하여 주는 것이다. 과목간에 표준점수를 보정하는 방식은 해당과목에 응시한 응시자들이 다른 과목에서 획득한 표준점수의 평균치로보정하는 것이다.하기 위해서, 기업간 프로세스 협업(collaboration) 부분의 데이터 및 서식, 이를 취급하는 기능과 프로세스에 대란 분석을 통해 업무 프로세스 모델링 방법론과 관련한 모델링 지침 및 메타모델을 이용한 표준 업무 프로세스 모델을 개발하여 기업간 업무 프로세스 표준화에 대한 체계적인 관리에 대한 방안을 연구하고자 한다.의Bullwhip effect를 감소시킬 수 있는 장점이 있다. 동시에 이것은 향후 e-Business 시스템 구축을 위한 기본 인프라 역할을 수행할 수 있게 된다. 많았고 년도에 따른 변화는 보이지 않았다. 스키손상의 발생빈도는 초기에 비하여 점차 감소하는 경향을 보였으며, 손상의 특성도 부위별, 연령별로 다양한 변화를 나타내었다.해가능성을 가진 균이 상당수 검출되므로 원료의 수송, 김치의 제조 및 유통과정에서 병원균에 대한 오염방지에 유의하여야 할 것이다. 확인할 수 있었다. 이상의 결과에 의하면 고농도의 유기물이 함유된 음식물쓰레기는 Hybrid Anaerobic Reactor (HAR)를 이용하여 HRT 30일 정도에서 충분히 직접 혐기성처리가 가능하며, 이때 발생된 $CH_{4}$를 회수하여 이용하면 대체에너지원으로 활용 가치가 높은 것으로 판단된다./207), $99.2\%$(238/240), $98.5\%$(133/135) 및 $100\%$ (313)였다. 각각 두 개의 요골동맥과 우내흉동맥에서 부분협착이나 경쟁혈류가 관찰되었다. 결론: 동맥 도관만을 이용한 Off pump CABG를 시행하여 감염의 위험성을 증가시키지 않으면서 영구적인 신경학적 합병증을 일으

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Understanding the Asymptotic Convergence of Domain of Attraction in Extreme Value Distribution for Establishing Baseline Distribution in Statistical Damage Assessment of a Structure (통계적 구조물 손상진단에서 기저분포 구성을 위한 극치분포의 점근적 수렴성 이해)

  • Kang, Joo-Sung;Park, Hyun-Woo
    • Journal of the Korea institute for structural maintenance and inspection
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    • v.13 no.2 s.54
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    • pp.231-242
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    • 2009
  • The baseline distribution of a structure represents the statistical distribution of dynamic response feature from the healthy state of the structure. Generally, damage-sensitive dynamic response feature of a structure manifest themselves near the tail of a baseline statistical distribution. In this regard, some researchers have paid attention to extreme value distribution for modeling the tail of a baseline distribution. However, few researches have been conducted to theoretically understand the extreme value distribution from a perspective of statistical damage assessment. This study investigates the asymptotic convergence of domain of attraction in extreme value distribution through parameter estimation, which is needed for reliable statistical damage assessment. In particular, the asymptotic convergence of a domain of attraction is quantified with respect to the sample size out of which each extreme value is extracted. The effect of the sample size on false positive alarms in statistical damage assessment is quantitatively investigated as well. The validity of the proposed method is demonstrated through numerically simulated acceleration data on a two span continuous truss bridge.

Preliminary Result of Lineament Analysis for the Potential Site Selection of HLW Geological Disposal (HLW 지층처분 광역 후보부지 선정을 위한 선형구조 예비 분석 결과)

  • Ko, Kyoungtae;Kihm, You Hong;Lee, Hong-Jin
    • Economic and Environmental Geology
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    • v.51 no.2
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    • pp.167-176
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    • 2018
  • It is necessary to consider various geological parameters such as lithology, geological structure, earthquake, hydraulic geology, geochemistry, geological engineering, and geothermal in order to select potential sites for HLW(high-level radioactive waste) geological disposal. In particular, the geological lineament reflects the characteristics of various geological parameters and can be used as an important criterion for site selecting such as nuclear power plants and HLW repositories. In this paper, the Finnish lineament classification method for HLW disposal site selection through the lineament analysis was applied to the lineament data in the Korean peninsula. For this purpose, we used previous lineament data from the KIGAM(Korea Institute of Geoscience and Mineral Resources) and obtained new lineament data from the field geologists such as structural geologist, paleoseismologist, and geomorphologist. To ensure the reliability of the new lineament analysis data, we used high-resolution satellite images and hill-shade relief maps which were constructed by a digital elevation model. In the prevailing direction analysis from the acquired lineament data, the NNE-SSW direction was the most dominant, but the ENE-WSW and NNW-SSE directions also showed highly frequency depending on the experts. Applying the Finnish classification method, the geometrical development characteristics of the lineament corresponding to the Class 1 and 2 used for the wide-wide candidate site were compared. As a result of direction analysis for Class 1, the NNE-SSW direction was the most dominant and the WNW-ESE direction also showed a high frequency. In the case of Class 2, the NNE-SSW is the most prevalent and WNW-ESE or ENE-WSW direction also had highly frequency depending on the experts. Different lineament analysis results based on the same data are interpreted as a result of subjective experience and analytical criteria from the every experts. Therefore, it is necessary to establish integrated criteria and consider geophysical data for the publication of reliable nation-wide lineament map.

A Study on the Influence of Workers' Aspiration for Academic Needs on Participation in University Education (근로자의 학업욕구 열망이 대학교육 참여에 미치는 영향에 관한 연구)

  • Lee, Ji-Hun;Mun, Bok-Hyun
    • Journal of Korea Entertainment Industry Association
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    • v.15 no.3
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    • pp.231-241
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    • 2021
  • This study intended to present strategies and implications for attracting new students and customized education to university officials through research on the participation of workers' academic aspirations in university education. Thus, variables were derived by analyzing prior data, and causal settings between variables and questionnaires were developed. Subject to the survey, 331 workers interested in participating in university education were collected through interpersonal interviews. The collected data were dataized, and reliability and feasibility verification and frequency analysis were conducted. Finally, we validate the fit of the structural equation model and the causal relationship for each concept. Therefore, the results of the validation show the following implications. First, university officials should be motivated by a mentor and mentee system with experienced people who have switched to a suitable vocational group through university education. It will also be necessary to develop and disseminate programs so that they can continue to develop themselves for the future. To this end, it will be necessary to help them understand their aptitude and strengths through consultation with experts. Second, university officials should strengthen public relations so that prospective students can know the cases and information of the job transformation of the admitted workers through recommendations. It will also be necessary to develop university education programs that can self-develop, accept various ideas through "public contest", and provide accurate information about university education to workers through re-processing. Third, university officials should provide workers with a program that allows them to catch two rabbits: job transformation and self-improvement through university education. In other words, it is necessary to stimulate the motivation of workers by providing various information such as visiting advanced overseas companies, obtaining various certificates, moving between departments of blue-collar and white-collar, and transfer opportunities. Fourth, university officials should actively promote university education programs related to this by participating in university education and receiving systematic education and the flow of social environment. Finally, university officials will need to consult and promote workers so that they can self-develop when they participate in college education, and they will have to figure out what they need for self-development through demand surveys and analysis.