• 제목/요약/키워드: Trend of Previous Research

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직업무용단체 정기공연의 주제경향 분석 (Analyze Theme Trend for Subscription Performance of Professional Dance Groups)

  • 심다솜;김선정
    • 한국콘텐츠학회논문지
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    • 제13권12호
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    • pp.136-148
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    • 2013
  • 본 연구는 우리나라의 무용단 중 한국무용을 대표할 수 있는 국립무용단, 서울시무용단, 경기도립무용단의 정기공연작품의 주제경향 분석을 통해 무용이 사회와 어떠한 관계를 지녔는지 작품의 주제경향으로 시대별 사회의 흐름을 유추하여 무용과 사회의 구조관계를 조사하고, 무용작품의 주제에 대한 의미를 각인시켜 후속연구에 기반을 제공함에 연구의 목적이 있다. 이 연구의 목적을 수행하기 위하여 선행연구 및 관련서적을 참고한 문헌조사를 중심으로 국립무용단, 서울시무용단, 경기도립무용단 세 무용단으로 선정하여 각 무용단의 창단부터 현재까지의 정기공연을 팜플렛, 신문기사, 무용단의 공연자료 및 관련된 선행논문을 통해 정기공연의 주제를 조사하였다. 자료분석은 주제경향 선행논문에서 공통적으로 사용된 김병석의 분류방법에 따라 무용단의 창단부터 현재까지 공연된 정기공연 내용과 주제를 중심으로 1) 전통의식적 주제, 2) 문학적인 주제, 3) 역사적인 주제, 4) 추상적인 주제, 5) 현실적인 주제, 6) 사회적인 주제로 분류하였다.

고령자 주택개조에 관한 국내 선행연구 경향 (Trends of Domestic Research on Home Modification for the Elderly)

  • 박지선;장미선;이연숙
    • 한국실내디자인학회논문집
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    • 제26권1호
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    • pp.25-32
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    • 2017
  • As the elderly population increases rapidly, existing houses many elderly reside are under poor conditions that they work as a factor to impede on the independent living of elderly people. Thus, improving existing housing environment to suit the needs of elderly life has been required. Academics has been continuously researched on the field considering the importance of elderly housing modification and the importance on the research of this field is projected to be greater with the coming of aging society. Hence, this study has a purpose on analyzing trends of previous studies related to housing modification for the elderly published in Korean academic journals in depth. This study is a content analysis study and analyzed the trend of previous studies with academic journal field, purpose of study, research subject, research area, research method, research content as analysis categories. As a result, previous studies was published the most in natural science academic journals and main stream of research was to suggest direction of housing modification by conducting surveys on actual conditions and needs of single elderly families and to suggest improving the directions of policies related to modification. On the other hand, empirical studies needed to execute housing modification such as standard and method of housing modification and supporting tools are still at minimal level that researches on this field should be conducted additionally. This study is expected to be used as basis to examine the current state of previous studies on housing modification for the elderly and to seek further research directions.

화장에 관한 기존연구 유형의 분석 (Analysis of Previous Make-up Study)

  • 백경진;김미영
    • 복식문화연구
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    • 제12권1호
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    • pp.182-198
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    • 2004
  • The purpose of this study was to analyze the previous make-up studies. A number of publications and journals were reviewed and analyzed carefully. The results of review and analysis were as follows: There were many different subjects in make-up studies and They can be divided into ten types : cosmetics purchase behavior, change of make-up culture and comparison, make-up trend by era, cosmetics industry's standing of today and strategy, art trend in make-up, brand preference of cosmetics, make up attitude, recognition about imported cosmetics and purchase behavior, color preference of cosmetics, the relationship between self-concept and make-up. In general, the cosmetic purchase behavior studies are conducted most actively. According to result that analyze existent study, special duality of cosmetics purchase action appears very variously according to standard of classification of study target and study target. But, study target and method of study are not various, and purchase behavior study collected with make-un and clothes is yew lacking. Therefore, in this study, wished to discover problem of virtue study because analyzes studies about previous make-up and present forward study direction.

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PROSPECT OF WELDING RESEARCH AND TECHNOLOGY IN THE 21ST CENTURY -BASED ON ACTIVITIES IN JAPAN-

  • Toyoda, Masao
    • 대한용접접합학회:학술대회논문집
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    • 대한용접접합학회 2002년도 Proceedings of the International Welding/Joining Conference-Korea
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    • pp.15-22
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    • 2002
  • The modern welding technology hue more then 100 years history, and during that period, the welding has been playing an important role in the development of the manufacturing processes/systems as a key technology. In the time we enter the 21st century, it is question how to develop the innovative and attractive welding technology, in particular by the younger generation. The present report discussed the future trend of welding engineering mainly in Japan after reviewing the previous growth of welding engineering.

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선행연구 키워드 분석을 통한 건설 프로젝트의 성과측정 및 관리분야의 연구 트렌드 분석 (Research Trend Analysis in the Performance Measurement and Monitoring of Construction Projects through Keyword Analysis)

  • 김창원;김태훈;임현수
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2018년도 춘계 학술논문 발표대회
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    • pp.171-172
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    • 2018
  • Performance measurement and management in the construction industry has traditionally been regarded as the major factor for successful business execution. In addition, there is emphasis on the function of performance measurement and management that can early warn potential risks and poor performance in project execution environment changes. Previous studies have made various attempts to measure the quantitative performance of construction projects, and the research to derive the link between the results and the issue that can meet the future needs is expected to provide valuable information. The purpose of this study is to analyze the research trends based on the keywords presented in previous studies on the performance measurement and management of construction projects. Considering that the results presented in the existing literature can be an indicator of the evolution of the sector before it is applied to industry, the result of this study is expected to be used as a basic data to support the establishment of research direction in the future.

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Trend analysis of aridity index for southeast of Korea

  • Ghafouri-Azar, Mona;Bae, Deg-Hyo
    • 한국수자원학회:학술대회논문집
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    • 한국수자원학회 2017년도 학술발표회
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    • pp.193-193
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    • 2017
  • Trend analysis can enhance our knowledge of the dominant processes in the area and contribute to the analysis of future climate projections. The results of previous studies in South Korea showed that southeast regions of Korea had the highest value of evapotranspiration. Thereby, it is of interest to determine the trend analysis in hydrological variables in this area. In this study, the recent 35 year trends of precipitation, reference evapotranspiration, and aridity index in monthly and annual time scale will be analyzed over three stations (Pohang, Daegu, and Pusan) of southeast Korea. After removing the significant Lag-1 serial correlation effect by pre-whitening, non-parametric statistical Mann-Kendall test was used to detect the trends. Also, the slope of trend of the Mann-Kendall test was determined by using Theil-Sen's estimator. The results of the trend analysis of reference evapotranspiration on the annual scale showed the increasing trend for the three mentioned stations, with significant increasing trend for Pusan station. The results obtained from this research can guide development if water management practices and cropping systems in the area that rely on this weather stations. The approaches use and the models fitted in this study can serve as a demonstration of how a time series trend can be analyzed.

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길찾기(Wayfinding) 관련 국내 연구동향 분석 (Analysis of Research Trend on Wayfinding Issues in Korea)

  • 김영주
    • 한국실내디자인학회논문집
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    • 제24권6호
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    • pp.38-46
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    • 2015
  • The purpose of this study was to identify the research trend through content analysis of the previous researches on wayfinding issues in the field of spatial design in Korea. Total 91 research articles published in domestic academic journals from 1991 to 2015 were collected through the online search and analyzed using descriptive statistics. As conceptual framework for content analysis, research article publication year, academic field based on journal title, research methodology, target space for analysis, and type of research purpose were included. The major findings were as follows. Substantially, wayfinding research in Korea was begun in 1990s and was peaked in the latter half of 2010s. Healthcare facilities including hospitals and nursing homes were most frequently analyzed as target space, i.e., research subject. Majority of the researches analyzed were published in the diverse journals of design area. In many cases, qualitative research methods such as spatial construction analysis using Space Syntax, field study, observation, interview, etc were used by the researchers frequently. It was found that the majority of researchers focused on behavioral and psychological response of space users in the process of wayfinding. For further study, it is recommended to extend the scope of analysis to sign system which support effective wayfinding. In addition, foreign academic journal articles should be included for in-depth analysis.

Determining the adjusting bias in reactor pressure vessel embrittlement trend curve using Bayesian multilevel modelling

  • Gyeong-Geun Lee;Bong-Sang Lee;Min-Chul Kim;Jong-Min Kim
    • Nuclear Engineering and Technology
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    • 제55권8호
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    • pp.2844-2853
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    • 2023
  • A sophisticated Bayesian multilevel model for estimating group bias was developed to improve the utility of the ASTM E900-15 embrittlement trend curve (ETC) to assess the conditions of nuclear power plants (NPPs). For multilevel model development, the Baseline 22 surveillance dataset was basically classified into groups based on the NPP name, product form, and notch orientation. By including the notch direction in the grouping criteria, the developed model could account for TTS differences among NPP groups with different notch orientations, which have not been considered in previous ETCs. The parameters of the multilevel model and biases of the NPP groups were calculated using the Markov Chain Monte Carlo method. As the number of data points within a group increased, the group bias approached the mean residual, resulting in reduced credible intervals of the mean, and vice versa. Even when the number of surveillance test data points was less than three, the multilevel model could estimate appropriate biases without overfitting. The model also allowed for a quantitative estimate of the changes in the bias and prediction interval that occurred as a result of adding more surveillance test data. The biases estimated through the multilevel model significantly improved the performance of E900-15.

웹 2.0의 교육적 활용에 대한 연구 동향 분석: 블로그와 위키를 중심으로 (Research trend of Web 2.0 use in education)

  • 허희옥;강의성
    • 컴퓨터교육학회논문지
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    • 제13권2호
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    • pp.59-70
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    • 2010
  • 이 연구는 웹 2.0 도구의 교육적 활용에 대한 연구 동향을 분석하고, 이를 토대로 미래 연구를 위한 방향을 제시하는 데에 그 목적이 있다. 이 연구에서 설정한 웹 2.0 기반 학습환경의 속성과 논문 선정 기준을 토대로, 총 60개의 국내외 연구 논문을 선택하여, 연구대상, 연구주제, 활용된 웹 2.0 도구의 유형, 교육이론, 연구방법의 측면에서 분석하였다. 분석 결과, 웹 2.0 도구를 활용한 교육연구는 주로 대학생을 대상으로, 정보공유와 성찰을 지원하기 위한 협력상황에서 수행되어 왔다. 몇몇 연구들에서 논의된 교육이론은 협력학습, 문제중심학습 등과 같은 구성주의적 관점과 연계되며, 연구방법은 질적연구방법과 통합방법연구가 가장 많이 적용되었다. 후속연구를 위해서 연구대상의 확대, 협력상황에서의 지식구성 지원, 다양한 교육이론의 적용 등에 대하여 논의하였다.

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이동통신망 자가 치유를 위한 기계학습 연구동향 (Research Status on Machine Learning for Self-Healing of Mobile Communication Network)

  • 권동승;나지현
    • 전자통신동향분석
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    • 제35권5호
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    • pp.30-42
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    • 2020
  • Unlike in previous generations of mobile technology, machine learning (ML)-based self-healing research trend are currently attracting attention to provide high-quality, effective, and low-cost 5G services that need to operate in the HetNets scenario where various wireless transmission technologies are added. Self-healing plays a vital role in detecting and mitigating the faults, and confirming that there is still room for improvement. We analyzed the research trend in self-healing framework and ML-based fault detection, fault diagnosis, and fault compensation. We propose that to ensure that self-healing is a proactive instead of being reactive, we have to design an ML-based self-healing framework and select a suitable ML algorithm for fault detection, diagnosis, and outage compensation.