• Title/Summary/Keyword: 과학 개념 이해

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Ontology-based Approach to Analyzing Commonality and Variability of Features in the Software Product Line Engineering (소프트웨어 제품 계열 공학의 온톨로지 기반 휘처 공동성 및 가변성 분석 기법)

  • Lee, Soon-Bok;Kim, Jin-Woo;Song, Chee-Yang;Kim, Young-Gab;Kwon, Ju-Hum;Lee, Tae-Woong;Kim, Hyun-Seok;Baik, Doo-Kwon
    • Journal of KIISE:Software and Applications
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    • v.34 no.3
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    • pp.196-211
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    • 2007
  • In the Product Line Engineering (PLE), current studies about an analysis of the feature have uncertain and ad-hoc criteria of analysis based on developer’s intuition or domain expert’s heuristic approach and difficulty to extract explicit features from a product in a product line because the stakeholders lack comprehensive understanding of the features in feature modeling. Therefore, this paper proposes a model of the analyzing commonality and variability of the feature based on the Ontology. The proposed model in this paper suggests two approaches in order to solve the problems mentioned above: First, the model explicitly expresses the feature by making an individual feature attribute list based on the meta feature modeling to understand common feature. Second, the model projects an analysis model of commonality and variability using the semantic similarity between features based on the Ontology to the stakeholders. The main contribution of this paper is to improve the reusability of distinguished features on developing products of same line henceforth.

Jeong Yak-Yong's Zhong-yong: The Habit of Moral Behavior Through Grasp (정약용의 중용: 장악을 통한 도덕적 행위의 습관화)

  • Gao, Ming-Wen;Mo, A-Yeong
    • Asia-pacific Journal of Multimedia Services Convergent with Art, Humanities, and Sociology
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    • v.8 no.8
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    • pp.793-803
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    • 2018
  • Since Confucius presentied 'zhong-yong' and Zi Si wrote Zhong-Yong (The Doctring of the Mean), specially since Zhu Xi edited Zhong-Yong as one of Si-Shu (The Four Books) and interpreted it, zhong-yong was not only recognized as the extreme of morality but also as a significant category of Confucianism. The purpose of this paper is to clarify how Jeong Yak-Yong criticized Zhu Xi's interpretation of zhong-yong, and furthermore, to search how Jung Yak-yong explain the zhong-yong by tree concepts of 'grasp', 'moral behavior', and 'habit'. Zhu Xi interpreted zong as a measured absolute middle of two-side and a non-launched original nature. Interpreted yong as a common truth. Therefore he interpreted zhong-yong as a common truth of neither excessive nor enough. Accordingly, Zhu Xi's zhong-yong can be understood as absolute zhong-yong without human's reflection and moral behavior. But Jeong Yak-Yong interpreted zhong as the state of a man's very hard-concentrate and grasp of situation, and interpreted yong as the state of a man's very hard-effort moral behavior and it's habit. Therefore he explained zhong-yong as a habit of moral behavior through grasp.

Development and Application of Convergence Education about Support Vector Machine for Elementary Learners (초등 학습자를 위한 서포트 벡터 머신 융합 교육 프로그램의 개발과 적용)

  • Yuri Hwang;Namje Park
    • The Journal of the Convergence on Culture Technology
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    • v.9 no.4
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    • pp.95-103
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    • 2023
  • This paper proposes an artificial intelligence convergence education program for teaching the main concept and principle of Support Vector Machines(SVM) at elementary schools. The developed program, based on Jeju's natural environment theme, explains the decision boundary and margin of SVM by vertical and parallel from 4th grade mathematics curriculum. As a result of applying the developed program to 3rd and 5th graders, most students intuitively inferred the location of the decision boundary. The overall performance accuracy and rate of reasonable inference of 5th graders were higher. However, in the self-evaluation of understanding, the average value was higher in the 3rd grade, contrary to the actual understanding. This was due to the fact that junior learners had a greater tendency to feel satisfaction and achievement. On the other hand, senior learners presented more meaningful post-class questions based on their motivation for further exploration. We would like to find effective ways for artificial intelligence convergence education for elementary school students.

The Churchlands' Theory of Representation and the Semantics (처칠랜드의 표상이론과 의미론적 유사성)

  • Park, Je-Youn
    • Korean Journal of Cognitive Science
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    • v.23 no.2
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    • pp.133-164
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    • 2012
  • Paul Churchland(1989) suggests the theory of representation from the results of cognitive biology and connectionist AI studies. According to the theory, our representations of the diverse phenomena in the world can be represented as the positions of phase state spaces with the actions of the neurons or of the assembly of neurons. He insists connectionist AI neural networks can have the semantical category systems to recognize the world. But Fodor and Lepore(1996) don't look the perspective bright. From their points of view, the Churchland's theory of representation stands on the base of Quine's holism, and the network semantics cannot explain how the criteria of semantical content similarity could be possible, and so cannot the theory. This thesis aims to excavate which one is the better between the perspective of the theory and the one of Fodor and Lepore's. From my understandings of state space theory of representation, artificial nets can coordinates the criteria of contents similarity by the learning algorithm. On the basis of these, I can see that Fodor and Lepore's points cannot penetrate the Churchlands' theory. From the view point of the theory, we can see how the future's artificial systems can have the conceptual systems recognizing the world. Therefore we can have the perspectives what cognitive scientists have to focus on.

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Acupuncture Expands the Boundary of Mind-Body Medicine (침술이 심신의학의 지평을 확장하다)

  • Kim, Jae-Hyo
    • Korean Journal of Acupuncture
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    • v.33 no.3
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    • pp.139-147
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    • 2016
  • Purpose : The acupuncture existed more than 2000 years and has flourished not only in Asia but also in medical field of modern world. In addition, empirical evidences from biomedicine have been expended in many ways in order to objectify the field of acupuncture. Thus, the effect and mechanism of the acupuncture has been revealed in human and other animals. In this article, I attempt to explain what doctors and patients subjectively experience through acupuncture treatment and its clinical significance based on mind-body medicine. Methods : The experience and clinical significance of the acupuncture was examined in the view of mind-body medicine, also reviewed research trends related to meditation understanding the clinical effectiveness of acupuncture. Results and Conclusions : Traditional Korean medical doctor perceive generally "jogi " and "chishin " meaning the regulation of the balance of the various functions in the human body and patient's consciousness and psychology state as mightily important concept concerning the therapeutic effect of acupuncture. Despite scientific approach to objective understanding of the acupuncture was performed in the meantime, practitioners put emphasis on experience based on sensate and interaction between doctor-patient. As it reflects the recent understanding of the psychological effects associated with the clinical efficacy of acupuncture, it has been presented one by one through neuroscience and cognitive science. Therefore it is important that interpreting the clinical effectiveness of acupuncture into Mind-body medicine can form a new awareness and attitudes toward traditional medicine.

A Study of Secondary Mathematics Materials at a Gifted Education Center in Science Attached to a University Using Network Text Analysis (네트워크 텍스트 분석을 활용한 대학부설 과학영재교육원의 중등수학 강의교재 분석)

  • Kim, Sungyeun;Lee, Seonyoung;Shin, Jongho;Choi, Won
    • Communications of Mathematical Education
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    • v.29 no.3
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    • pp.465-489
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    • 2015
  • The purpose of this study is to suggest implications for the development and revision of future teaching materials for mathematically gifted students by using network text analysis of secondary mathematics materials. Subjects of the analysis were learning goals of 110 teaching materials in a gifted education center in science attached to a university from 2002 to 2014. In analysing the frequency of the texts that appeared in the learning goals, key words were selected. A co-occurrence matrix of the key words was established, and a basic information of network, centrality, centralization, component, and k-core were deducted. For the analysis, KrKwic, KrTitle, and NetMiner4.0 programs were used, respectively. The results of this study were as follows. First, there was a pivot of the network formed with core hubs including 'diversity', 'understanding' 'concept' 'method', 'application', 'connection' 'problem solving', 'basic', 'real life', and 'thinking ability' in the whole network from 2002 to 2014. In addition, knowledge aspects were well reflected in teaching materials based on the centralization analysis. Second, network text analysis based on the three periods of the Mater Plan for the promotion of gifted education was conducted. As a result, a network was built up with 'understanding', and there were strong ties among 'question', 'answer', and 'problem solving' regardless of the periods. On the contrary, the centrality analysis showed that 'communication', 'discovery', and 'proof' only appeared in the first, second, and third period of Master Plan, respectively. Therefore, the results of this study suggest that affective aspects and activities with high cognitive process should be accompanied, and learning goals' mannerism and ahistoricism be prevented in developing and revising teaching materials.

Present Condition of Environment Geospatial Information and Its Application (환경공간정보의 이해와 활용)

  • Lee, Moung-Jin;Park, Wook;Song, Wonkyong
    • Korean Journal of Remote Sensing
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    • v.33 no.5_3
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    • pp.763-771
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    • 2017
  • The purpose of this paper is to review the background and purpose of the special issue on Theory of Environment Geospatial Information and Its Applications in Korean Journal of Remote Sensing. The significance of the paper was also discussed. Environmental information refers to environment related information (literature, statistics, images, etc.) in a comprehensive manner. Such environmental information as a local change or issue of the environment is defined as environmental spatial information by developing in a spatial form. Remote sensing data is very useful as direct or indirect data including environmental spatial information on wide-area and local environment. Various applications will be possible not only in the environmental field through several improvements. For this purpose, first, refining and scientificization of technology to build environmental spatial information could be performed. Second, the application field can be expanded by developing the concept and contents of existing environmental spatial information. The third method is continuous increase of the application of existing environmental spatial information. In this paper, the direction of development was examined that reflects recent changes of environmental spatial information such as conversion of data formats and integration with ICT (Information and Communications Technologies). In particular, the basic technology for the construction of environmental spatial information was reviewed through various papers. Through the studies related to the above, utilization of domestic environmental spatial information would be diversified. Also, the development of environment policy and efficient management of environmental factors could be possible.

A Study of academic high school students' STEM career motivation formation: An approach based on the Grounded Theory (고등학생들의 이공계 진로동기 형성과정 연구: 근거이론적 접근)

  • Jung, Young-Hee;Shin, Sein;Lee, Jun-Ki
    • Journal of Science Education
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    • v.41 no.1
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    • pp.36-59
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    • 2017
  • The purpose of this study was to develop a theory appropriate to the context by identifying the career motivation formation process from the perspective of academic high school students using a grounded theory approach. In this study, participants were selected among non probability sampling was used for sampling by artificially reputational case selection methods. Forty two highschool students(21 male, 21 female) were participated in this study. Research data were collected mainly collected using in-depth interview data were analyzed by applying the grounded theory method of Strauss and Corbin (1998). According to the results, 319 concepts and 56 sub-categories, and 19 categories were derived n the open coding process. Academic high school students' formation of STEM career motivation were influenced by contextual conditions of "STEM-related career think that the instruments' causal conditions and 'STEM education experience in inside and outside of school' named 'STEM career understanding and self-understanding' using the strategy of being influenced in interventional conditions of social support and obstacle 'for the central phenomenon of "STEM efforts to achieve career goals, it appeared as a result of" satisfaction for STEM careers. And it had a 5-step process over time that the formation process of STEM career motivation. This is expected to provide homes, schools, communities, and contribute to have a new insight on the education of the country, given the direction of career education and counseling intervention and the basic data used to develop and apply STEM career education.

Development of Experimental Apparatus to Efficiently Educate the Phenomena by Coriolis Force (전향력에 의한 현상을 효과적으로 교육시킬 수 있는 실험 장치의 개발)

  • Kim, Eun-Ju;Lee, Sang-Bub;Yoon, Ill-Hee;Lee, Hyo-Nyong
    • Journal of the Korean earth science society
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    • v.30 no.6
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    • pp.787-798
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    • 2009
  • A new apparatus was presented in order to help understand the concept of the Coriolis force which is essential in understanding the trajectories of the atmospheric current and the tide of seawater. In the apparatus proposed in high-school textbooks, since the slide from which the ball is released is set outside the rotating disk, it was not possible to interpret, with the trajectory of the ball on the disk, the motion of the atmosphere and the current of seawater occurring as a result of the Coriolis force. In order to resolve such problem, a new apparatus was developed in which the slide was set on the disk and rotated with the disk. Experiments were carried out using both the existing apparatus and the new apparatus, and the results were compared. While, in the experiment performed with the existing apparatus, it was difficult to analyze the trajectory of ball because the motion of the ball was not smooth when it hit the disk, in the experiment with the new apparatus it was much easier to analyze the trajectories. It was also possible to compare the trajectories when the initial velocity of the ball was varied.

Development of Korean Version of European Health Literacy Survey (HLS-EU-Q47) and Applied to the Elderly (한국판 건강문해력 측정도구(HLS-EU-Q47) 개발 및 노인 대상 적용)

  • Han, Hee-Won;Park, Sung-Ji;Kang, Ji Sook;Moon, Kyoung-Suk;Kim, JI HEE;Hwang, Jongnam;Oh, Jongmuk;Woo, Hee-Soon
    • Therapeutic Science for Rehabilitation
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    • v.10 no.4
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    • pp.65-80
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    • 2021
  • Objective : This study aimed to develop a Korean version of the HLS-EU-Q47 that deals with the concept of health literacy based on the understanding, apply/use, process/appraisal, and access/obtain to health information. The purpose of this study is to confirm the level of comprehensive health literacy of the elderly in Korea using this tool. Methods : After going through the Korean interpretation process of HLS-EU-Q47, the items were confirmed through content validity verification by experts. The completed Korean-HLS-EU-Q47 (K-HLS-EU-Q47) was applied to 254 elderly people in the local community to analyze the degree of internal consistency and reliability. Furthermore, a comparative analysis based on the general variables was conducted. Results : The internal consistency of this tool for the elderly yielded Cronbach's 𝛼 of .81~.91, indicating a high level of reliability. There was a difference in health literacy according to sex and age based on general characteristics. Men had higher health literacy than women, and with increasing age, health literacy decreased. Conclusion : In this study, the K-HLS-EU-Q47 was developed to assess the comprehensive health literacy level of the elderly in Korea. It is expected that the search for ways to maintain a healthier life for the elderly through understanding the health literacy levels of the elderly using the results of this study will become more active.