• 제목/요약/키워드: Empirical approach

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Focus, Contrastive Topic and Theories of Focus

  • Wee, Hae-Kyung
    • 한국언어정보학회지:언어와정보
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    • 제5권1호
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    • pp.87-105
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    • 2001
  • This paper categorizes currently available theories of focus into two major types a 'discourse structure approach'(DSA) and a 'sentence structure approach'(SSA) The former DSA is intended to refer to a type of approach that analyzes focus only in terms of the discourse structure in which a focused sentence occurs. The alternative semantics approach which is the most widely available theory of focus belongs to this The latter SSA is meant to refer to a type of theory that analyzes focus in terms of sentence-internal structure, This study supports the SSA be revealing some empirical problems of the DSA that arise is analyzing two different kinds of focus, the A-accented focus and the B-accented focus (contrastive topic), and provides a brief sketch of a comprehensive analysis of focus and contrastive topic.

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선회접근용 활주로 감시도구의 개선에 관한 실증적 사례 연구 (An Empirical case Study on the Improvement of Surveillance Systems in performing Circling Approach at the airport)

  • 양한모;신현삼
    • 한국항공운항학회지
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    • 제14권4호
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    • pp.110-119
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    • 2006
  • This research was conducted with a view to enhance the efficiency of the preventive tool which provide pilots and controllers with proper and timely safety alerts while conducting circling approach at the airport where surrounding terrains becomes threat to safe operation of flight around airport.

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Deducing the conventional biomedical therapy to Ayurvedic fundamentals: Illustrations from a case report

  • Rastogi, Sanjeev
    • 셀메드
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    • 제5권3호
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    • pp.20.1-20.4
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    • 2015
  • Ayurveda is often criticized for having empirical and non-evidence based approach to treat the patients. At the same time, modern medicine is also being criticized for having a non-holistic, reductionist and mechanistic approach of treating the patients which do not help in many real clinical situations. An open minded deduction of treatment approaches in both of these systems for a common patient however makes us to rethink that ideally both systems are similar with a common objective of offering a cure although in a manner which is better understood through their own methods of learning. The differences therefore, are more superficial rather than being deeply rooted in the understanding. A more tolerant viewpoint towards the competitive medical systems may therefore be a better approach to offer optimal health care to our people through a genuine amalgamation of these two health care sciences through an integrated approach. Once this tolerance is developed, it will give us an opportunity to think for a focused selection of type of health care depending upon the type of the disease and strength of the particular system in that area.

공공성을 고려한 열차용량 할당 (Train-Fleet Assignment based on Public Interests)

  • 오석문;손무성;최인찬;최인상
    • 한국철도학회논문집
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    • 제8권6호
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    • pp.602-609
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    • 2005
  • In this paper, we consider the train-fleet assignment problem to determine fleet assignment and seat allocation synchronously. An integer programming model of the problem and a decomposition-based solution approach are developed to handle short-term period deterministic orgin-destination demands. The primary objective used in the developed model is to maximize the total number of passengers transported during peak load periods, such as Chuseok national holiday period. Thus, in developing the model we choose to profit-pursuing system. We also show how the proposed model can be readily modified to incorporate profit-maximization. Using the empirical data sets provided by a Korean railroad company, we have tested the proposed solution approach and carried out various comparison analyses by varying traffic demand patterns and train schedules. The computational experiments reveal that the proposed solutions approach produces high quality solutions in reasonable computation time.

가속수명자료에 대향 경험적 베이즈 비료연구 (Comparisons of Empirical Bayes Approaches to Censored Accelerated Lifetime Data)

  • 조건호;이우동
    • Journal of the Korean Data and Information Science Society
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    • 제8권2호
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    • pp.183-194
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    • 1997
  • 이 논문의 목적은 제2종 중도절단자료된 가속수명 자료가 형상모수를 고정시킨 와이블분포를 한다는 가정에서 데이터에 대한 경험적베이즈 방법을 이용하여 분석하는데 있다. 이 논문에서는 적률추정법과 최우추정법을 이용한 경험적 베이지안 방법을 제안하고, Pathak등에 의해 제안된 경험적베이지안 방법과 비교한다. 특히, 인위적 자료를 이용한 모의 실험을 통하여 추정량들을 추정된 베이즈위험측면에서 비교한다.

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Method of Integrating Landsat-5 and Landsat-7 Data to Retrieve Sea Surface Temperature in Coastal Waters on the Basis of Local Empirical Algorithm

  • Xing, Qianguo;Chen, Chu-Qun;Shi, Ping
    • Ocean Science Journal
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    • 제41권2호
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    • pp.97-104
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    • 2006
  • A useful radiance-converting method was developed to convert the Landsat-7 ETM+thermal-infrared (TIR) band's radiance ($L_{{\lambda},L7/ETM+}$) to that of Landsat-5 TM TIR ($L_{{\lambda},L5/TM+})$ as: $L_{{\lambda},L5/TM}=0.9699{\times}L_{{\lambda},L7/ETM+}+0.1074\;(R^2=1)$. In addition, based on the radiance-converting equation and the linear relation between digital number (DN) and at-satellite radiance, a DN-converting equation can be established to convert DN value of the TIR band between Landsat-5 and Landsat-7. Via this method, it is easy to integrate Landsat-5 and Landsat-7 TIR data to retrieve the sea surface temperature (SST) in coastal waters on the basis of local empirical algorithms in which the radiance or DN of Lansat-5 and 7 TIR band is usually the only input independent variable. The method was employed in a local empirical algorithm in Daya Bay, China, to detect the thermal pollution of cooling water discharge from the Daya Bay nuclear power station (DNPS). This work demonstrates that radiance conversion is an effective approach to integration of Landsat-5 and Landsat-7 data in the process of a SST retrieval which is based on local empirical algorithms.

동측치가 많은 FRAILTY 모형의 분석 (Analysis of the Frailty Model with Many Ties)

  • 김용대;박진경
    • 응용통계연구
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    • 제18권1호
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    • pp.67-81
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    • 2005
  • 프레일티모형에 대한 기존의 추론방법은 동측치가 많은 경우에 그 성능이 떨어진다. 그 이유는 사용된 경험적 우도함수가 동측치가 많은 자료에는 적합하지 않기 때문이다. 본 논문에서는 동측치가 많은 프레일티 모형에서의 새로운 추론방법을 제안한다. 이항형태의 경험적우도함수를 바탕으로 베이지안 부스트랩을 사용하여 모수의 사후분포를 구한다. 제안된 방법의 장점은 기존에 제안된 주변최대우도추정량에 비하여 계산이 수월하고 안정적인 결과를 제공하는데 있다. 이를 실증적으로 비교하기 위하여 제안된 방법을 주변최대우도추정량과 가상실험을 통하여 비교한다.

초동 전파시간과 진앙거리의 경험적인 관계를 이용한 진앙 추정 (Estimation of epicenter using an empirical relationship between epicentral distance and traveltime of the first arrival)

  • 신동훈;박창업;황의홍;전영수
    • 한국지구물리탐사학회:학술대회논문집
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    • 한국지구물리탐사학회 2007년도 공동학술대회 논문집
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    • pp.64-68
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    • 2007
  • The classic graphical method to determine the epicenter uses differences between the arrival times of P and S waves at each station. In this research, a robust approach is proposed, which provides a fast and intuitive estimation of earthquake epicenters. This method uses an empirical relationship between epicentral distance and traveltime of the first arrival P phase of local or regional earthquake. The relationship enables us to estimate epicentral distances and draw epicentral circles from each station with P-traveltimes counted from a probable origin time. As the assigned time is getting close to the origin time of the earthquake, epicentral circles begin to intersect each other at a possible location of the epicenter. Then the possibility of the epicenter can be expressed by a function of the time and the space. We choose the location which gives the minimum standard deviation of the origin time as an estimated epicenter. In this research, 918 P arrival times from 84 events occurring from 2005 to 2006 listed in the KMA earthquake catalog are used to determine the empirical P-traveltime function of epicentral distances.

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환경미학의 이해와 경험적 접근방법에 관한 연구 (A Study on the Understanding of Environmental Aesthetics and the Method of Empirical Approach)

  • 김주미
    • 한국실내디자인학회논문집
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    • 제5호
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    • pp.59-65
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    • 1995
  • This thesis focuses on a study of design science, which is of a disciplinary character. And the purpose of such a study is to suggest a new direction to develop aesthetics through an empirical research into environmental psychol-ogy, human behavior, design thought, and the visual qual-ity of environment. The author of this study, since recognizing the necessi-ty of understanding environmental aesthetics as well as the necessity of aesthetics, has done an elementary study of empirical aesthetes, and then obtained some facts as follows: First, it is possible to analyse the visual characteristics immanent in the interrelations between human and envi-ronment by means of applying both the information the-ory of formal perception and expressional value and the perceptual theory of ecology to environmental aesthetics. Second, formal aesthetics is a science about the form and structure and in the meantime, symbolic aesthetics is a science about the environmental patterns giving pleas-ure to mankind and its associative meanings. Accordingly it is same as providing some aesthetic value to the ob-ject of environment design to apply some empirical data of visual quality to environmental design. Through such a process, users are provided or delivered with diverse, visual effect. In conclusion, environmental aesthetics is worthwhile to study, and its purpose is that it, as a framework of use-ful knowledge to the creation of the environment superi-or in quality, be applied to design.

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국내 패션 디자이너 브랜드 개성 구성요인에 관한 질적 연구 (A Qualitative Study on Korean Fashion Designer Brand Individuality Factors)

  • 어경진;하지수
    • 한국의류산업학회지
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    • 제22권6호
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    • pp.705-715
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    • 2020
  • The domestic fashion industry of the middle and late 20th century emphasized the importance of a standardized design process; however, the values of differentiated brand individuality have become increasingly important with the qualitative·quantitative growth of designer brands. Therefore, paying attention to designer individuality (or a differentiated element of a designer brand growing up in the domestic fashion industry) this study reestablished factors of the designer brand individuality. An in-depth interview was conducted with 13 designers and consumers for empirical analysis. In order to identify concepts of designer individuality based on the theory of the brand personality by Aaker along with precedent studies, the study devised a theoretical frame to explain a conceptual structure of designer brand individuality as well as reestablish its factors as the designer individuality, design and non-design factors through empirical research. Empirical research derived the designer individuality factors as an external designer image, designer taste, design philosophy and designer personality. Design factors were derived as concept, working process and method, style and formativeness. Non-design factors were also extracted as wearing experience, wearer image, lookbook image, fashion shows and exhibitions. It is meaningful that little empirical research has been conducted on domestic fashion designers who actually run designer brands and that this study helped understand designer brands through a new approach called designer individuality.