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Inferring the Causal Relationship between Three Events (세 사건간의 인과관계 판단)

  • Do, Kyung-Soo;Choi, Jae-Hyuk
    • Korean Journal of Cognitive Science
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    • v.21 no.1
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    • pp.47-75
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    • 2010
  • Two experiments were conducted to explore whether the Or structure works as a default causal model in inferring the causal structure from the contingency data. The contingencies of three unfamiliar variables were used in Experiment 1. Participants inferred the Or structure quite well from the OR data, but incorrectly inferred the Or structure from the And data for about a little less than half of the time, and almost always inferred the Or structure from the chain data. The results suggested that the Or interpretation can be the default causal model. The prevalence of the Or interpretation from the contingency data was reported even when the three variables were familiar ones in Experiment 2. Multinomial modeling performed on the results of the two experiments strongly suggested that the Or interpretation work as a default causal model.

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The Development of the Stress Measurement Tool for Staff Nurses working in the Hospital (간호원이 근무중에 경험하는 스트레스 측정을 위한 도구개발 연구)

  • 김매자;구미옥
    • Journal of Korean Academy of Nursing
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    • v.14 no.2
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    • pp.28-37
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    • 1984
  • The purpose of this study is to propose the baseline data for developing the stress measurement tool for staff nurses working in the hospital. Two hundred and fifteen stan nurses in Seoul National University Hospital were participated during the period from Feb. 28 to Mar. 10, 1984. Though the pretest and literature review a questionnaire was constructed with 63 stressors which were experienced by the nurses in the hospital. Subjects were given instruction to rate 1∼6 likert type scale according to the level of stress experienced by each stressor described. Reliability of the tool was tested by Cronbach's Alpha, and the result was α=0.94871. Factor analysis was applied to organize 63 items together. As the result, 15 factors were obtained and these factors explained 66.3% of variance. The 15 factors were: 1) Work overload 2) Role conflict as a profession 3) Lack of professional knowledge and skill 4) Interpersonal problem 5) Conflict in nurse doctor relationship 6) Work conflict with doctors 7) Emotional burden due to the limitation of medicine 8) Poor treatment 9) Unsatisfactory relationship with supervisor 10) Low reward 11) Unsatisfactory relationship with subordinate 12) Poor physical environment of unit 13)Responsibility for extra affairs 14)Unfamiliar situation 15)Night duty.

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Research Activities on PGC Propulsion based on RDE, Part I: Basic Studies (RDE 기반 PGC 추진기관 연구 동향, Part I: 기초연구)

  • Kim, Jung-Min;Niyasdeen, Mohammed;Han, Hyung-Seok;Oh, Sejong;Choi, Jeong-Yeol
    • Journal of the Korean Society of Propulsion Engineers
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    • v.21 no.5
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    • pp.97-107
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    • 2017
  • Fluid dynamic constant volume combustion technology detonation has been paid attention as a "game-changing" technology to overcome the efficiency and performance limitation of the present constant pressure combustion systems. For the past several years, a number of experimental and CFD-based theoretical studies have been conducted for the basic operation tests of RDE's. Present paper include a comprehensive survey on the research activities on RDE and its core technologies comprehensively to provide a direction for the future RDE researches, yet unfamiliar domestically.

Experimental Study on Wall Transmission Loss of Electric wave for the RTLS Application of Building Construction Project (건설현장 RTLS 활용을 위한 전파의 벽체 투과손실에 관한 실험적 연구)

  • Lee, Jong-Kook;Lee, Young-Hun;Park, Jung-Hyun;Son, Min-Ji
    • Journal of the Korea Institute of Building Construction
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    • v.9 no.1
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    • pp.95-101
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    • 2009
  • Although the concept of RTLS is very unfamiliar to construction industry, recently it is popular in other industry, such as logistics, ship building, mobile telecommunication based on state-of-the-art information technology. Effective resource management using cutting-edge information technology makes it possible to succeed a project with saving the time and cost. And effective information management in construction project can be achieved by the new technologies such as RFID, WEB-based internet, DB technology, real-time monitoring technology, etc. This paper suggest the characteristics and applicability of the international standard electric waves to be used for the real-time locating system (RTLS) on the viewpoint of transmission loss in construction field to monitor and manage resources of construction project effectively The two types of electric waves based on the international standard is to be suggested after surveying the as-is technology in the related industries and then is analyzed to find out the characteristics of those by the concept of the electric wave transition loss in the several construction situations. Two main electric waves, the 2.4GHz and the 433MHz technologies as the international standard is researched on the applicability to the indoor environment of construction site.

Qualitative Study on the Experience of Patients with Meniere Disease (메니에르병 환자의 질병 체험 연구)

  • Joung, Woo Joung
    • Journal of Korean Academy of Nursing
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    • v.50 no.5
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    • pp.699-713
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    • 2020
  • Purpose: The purpose of this study was to understand and describe the experiences of patients with Meniere disease. Methods: Data were collected from February 19, 2019, to February 5, 2020, through individual in-depth interviews with 13 Meniere patients. Verbatim transcripts were analyzed using Colaizzi's phenomenological analysis. Results: The experiences of patients with Meniere disease were clustered into the following four themes from 22 meaning units: 1) Complex unfamiliar symptoms that shatter both balance of the body and peace of the heart; 2) A disease that medical treatment and health professionals cannot cure; 3) Suffering hardships that cannot be understood by non-Meniere sufferers; and 4) Making daily efforts to become healthier. Symptoms of Meniere disease are life-shattering and depressing because they are neither visible nor easily curable. Over time, as they accepted the reality of living with the disease, the participants would shift their focus from complete symptomatic cure to leading a healthy and more balanced life. Conclusion: This study shows that Meniere disease has a pervasive impact on all aspects of the patients' lives. Patients are prone to experiencing restrictions in their social functioning and activities. They also experience psychosocial problems due to the unseen nature of their symptoms. This study elucidates the experiences of Meniere patients and the need for nursing intervention to help improve their quality of life and ability to self-manage. Lastly, this study shows the need for a coordinated interdisciplinary approach to raising public awareness of the disease.

The Analyzing on Application Cases of UNIDROIT Principles In International Commercial Arbitration (국제상사중재에서 UNIDROIT원칙의 적용사례 분석)

  • Hong, Sung-Kyu
    • Journal of Arbitration Studies
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    • v.21 no.1
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    • pp.131-155
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    • 2011
  • PICC executes its role as a useful lex mercatoria in the continuously increasing international trade to be adopted as the standard criterion of prevention or dispute resolution. When considering the fact that GISG has not presented results beyond expectation in the past due to hard laws and legal deficiency, PICC, which possesses interpretation and supplementation function, is considered undoubtedly useful particularly in international commercial arbitration. As observed in the previously mentioned analysis on cases accumulated in UNILEX, PICC application and Arbitral tribunal in international contract between parties possess considerably large claim possibility and the number of actual application cases is continuously increasing. The fact that PICC has been composed as maximum common measures of continental and common law systems by traditional comparative legal scholars familiar with international trade can function as the fundamental principle in future global trade activity and can also act as the model law for uniting contract laws of nations. In this aspect, PICC can be evaluated to have considerably achieved enactment purpose of previous intention. However, additional topics that had not been accepted in the revised edition of PICC remain as assignments requiring solution, such as analysis and acceptance problem of comparative law, PR of PICC unfamiliar even to the relative parties of international trade and application in international contract, and absorption problem as model law in various domestic laws.

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Assessing Critical Factors of Brand Equity for Container Liner Shipping Companies using Analytic Hierarchy Process

  • Jang, Hyun Mi;Kim, Sang Youl;Park, Ho
    • Journal of Navigation and Port Research
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    • v.38 no.2
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    • pp.177-184
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    • 2014
  • Recently, brand equity is paid much attention in various industries. However, container liner shipping companies are still unfamiliar with this concept, and also the brand equity model has not been tested yet in shipping context. This study, therefore, aims to measure the relative importance of brand equity factors of container liner shipping companies by employing AHP (Analytic Hierarchy Process). This study concludes that perceived quality, in particular cost-related service quality, is the most influential factor of brand equity, while weak support is found for brand association. In addition to this, group comparisons were conducted between shipping companies, freight forwarders and academics. The results will be useful as they firstly define brand equity and its role in shipping context, highlighting the significance of brand management to container liner shipping firms. This evaluation is not an end in itself, but will eventually be utilised as a tool to build competitive advantage which cannot be easily imitated by competitors.

An Automated Knowledge Acquisition Tool Based on the Inferential Modeling Technique

  • Chan, Christine W.;Nguyen, Hanh H.
    • Proceedings of the IEEK Conference
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    • 2002.07b
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    • pp.1165-1168
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    • 2002
  • Knowledge acquisition is the process that extracts the required knowledge from available sources, such as experts, textbooks and databases, for incorporation into a knowledge-based system. Knowledge acquisition is described as the first step in building expert systems and a major bottleneck in the efficient development and application of effective knowledge based expert systems. One cause of the problem is that the process of human reasoning we need to understand for knowledge-based system development is not available for direct observation. Moreover, the expertise of interest is typically not reportable due to the compilation of knowledge which results from extensive practice in a domain of problem solving activity. This is also a problem of modeling knowledge, which has been described as not a problem of accessing and translating what is known, but the familiar scientific and engineering problem of formalizing models for the first time. And this formalization process is especially difficult for knowledge engineers who are often faced with the difficult task of creating a knowledge model of a domain unfamiliar to them. In this paper, we propose an automated knowledge acquisition tool which is based on an implementation of the Inferential Modeling Technique. The Inferential Modeling Technique is derived from the Inferential Model which is a domain-independent categorization of knowledge types and inferences [Chan 1992]. The model can serve as a template of the types of knowledge in a knowledge model of any domain.

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A Study on the Positioning of Sliced Raw Fish Market by Selection Attributes (선택 속성에 따른 생선회 시장의 포지셔닝에 관한 연구)

  • Lim, So-Hee;Kim, Ji-Ung;Jang, Young-Soo
    • The Journal of Fisheries Business Administration
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    • v.48 no.2
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    • pp.53-66
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    • 2017
  • More than 90% of cultured fish is consumed by sliced raw fish which is usually an eating out menu in South Korea. In order to develop the aquaculture industry in Korea, It is very important to know whether consumers can differentiate each species or not and how consumers recognize each species by certain criteria. for example taste, seasonal preference. The purpose of this study is to understand the competitive relationship through positioning studies of each species by the selection attributes. A total of 221 consumers were surveyed in korea. This study adapted multidimensional scaling(MDS) analysis to explore how consumers position sliced raw fish species based on selection attributes. This study has produced perceptual maps of sliced raw fish market. Empirical data was collected from sliced raw fish consumers in Korea. The results of MDS analysis reveal that 7 species are divided into 3 groups(flat fish, black rock fish), (red sea bream, salmon, tuna), (sea bass, gray mullet). In this study flat fish and black rock fish are perceived as safe, familiar, good value species. Red seabream, salmon, tuna are perceived as luxurious species. Sea bass and gray mullet are perceived as unfamiliar species.

A Study on the Pluralism Expressed in Modern Fashion (현대 패션에 나타난 다원주의에 관한 연구)

  • Choi, Young-Ok
    • Fashion & Textile Research Journal
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    • v.5 no.5
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    • pp.453-464
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    • 2003
  • This study is to analyze that the pluralism is the main aspect of the modem fashion which examines the definition and the character of the pluralism. This will also consider the pluralism that appeared on the modern fashion which is based on them. The main point of pluralism is that the world is necessarily aware of plural and difference. Also many values which is focused on the previous generation, for instance disorganize of westernism, androcentrictrism, christianism and powerful nationalism, what is called unfamiliar, heterogeneous, the others and the circumference things. As these were rehabilitated, morality, ethics, religion or politics were all became possible to choose for one's taste. The pluralism expressed in modern fashion can be divided as collapse of genre, grafting the lower and higher orders cultivation, variety way of approaching in time, internationalism. The result for the consideration is that the pluralism has candid attitude for everything so that in the modern fashion is importing variety range of artistic definition. Namely, it is not only containing previous pure art, elegance art and element of artistic sublime beauty, but also has aesthetics of ugliness, deconstructive art and anti-fashion so that the definition of the art is getting vagueness and diverse.