• Title/Summary/Keyword: 기초용어

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Analyzing Different Contexts for Energy Terms through Text Mining of Online Science News Articles (온라인 과학 기사 텍스트 마이닝을 통해 분석한 에너지 용어 사용의 맥락)

  • Oh, Chi Yeong;Kang, Nam-Hwa
    • Journal of Science Education
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    • v.45 no.3
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    • pp.292-303
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    • 2021
  • This study identifies the terms frequently used together with energy in online science news articles and topics of the news reports to find out how the term energy is used in everyday life and to draw implications for science curriculum and instruction about energy. A total of 2,171 online news articles in science category published by 11 major newspaper companies in Korea for one year from March 1, 2018 were selected by using energy as a search term. As a result of natural language processing, a total of 51,224 sentences consisting of 507,901 words were compiled for analysis. Using the R program, term frequency analysis, semantic network analysis, and structural topic modeling were performed. The results show that the terms with exceptionally high frequencies were technology, research, and development, which reflected the characteristics of news articles that report new findings. On the other hand, terms used more than once per two articles were industry-related terms (industry, product, system, production, market) and terms that were sufficiently expected as energy-related terms such as 'electricity' and 'environment.' Meanwhile, 'sun', 'heat', 'temperature', and 'power generation', which are frequently used in energy-related science classes, also appeared as terms belonging to the highest frequency. From a network analysis, two clusters were found including terms related to industry and technology and terms related to basic science and research. From the analysis of terms paired with energy, it was also found that terms related to the use of energy such as 'energy efficiency,' 'energy saving,' and 'energy consumption' were the most frequently used. Out of 16 topics found, four contexts of energy were drawn including 'high-tech industry,' 'industry,' 'basic science,' and 'environment and health.' The results suggest that the introduction of the concept of energy degradation as a starting point for energy classes can be effective. It also shows the need to introduce high-tech industries or the context of environment and health into energy learning.

Investigation of Scientific Terms in Physics Units of Middle School Science Textbooks (중학교 과학 교과서 물리 단원에 수록된 과학 전문 용어 조사)

  • Yun, Eun-Jeong;Park, Yune-Bae
    • Journal of The Korean Association For Science Education
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    • v.31 no.8
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    • pp.1175-1185
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    • 2011
  • Language skills in science education seem to have a great impact on student achievement. Most of the language skills affecting students' science learning can be accounted for an understanding of scientific terms. The ultimate goal of this study is selecting and grading the scientific terms for science education. As a basic research, we investigated scientific terms contained in science textbooks, because they are the most basic and selected terminologies. As a result of investigation of scientific terms in physics units of middle school science textbooks, we made a list of 556 scientific terms by grade level. This includes 249 words for grade 7, 170 words for grade 8, and 137 words for grade 9.

A Study on the Standardization of Issuing Terms and Systemizing of Cartoon Term (만화용어 체계화 및 쟁점용어 표준화를 위한 연구)

  • Yoon, Ki-Heon;Kim, Byoung-Soo
    • Cartoon and Animation Studies
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    • s.10
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    • pp.73-90
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    • 2006
  • The roles and needs of contents are increasing moving toward sensitivities and culture in terms of key values in the 21st century. The cartoon is evaluated in invaluable as the original contents. Moreover, the size of these industries and employees are extending. Regardless of the quantitative expansion, however, it is real situation that is delaying in the disciplinary development and that is scare in partnership with industries. It is needs to develop the textbook and its' systemizing, standardization of cartoon language, and cartoon dictionary development. Using the cartoon language widely, it requires universality, simultaneously it needs a times and exact definition in advance. The study and standardization work of cartoon terms in base endure the industry development and disciplinary research which enhance the efficiency between the two sectors.

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Analyzing Disaster Response Terminologies by Text Mining and Social Network Analysis (텍스트 마이닝과 소셜 네트워크 분석을 이용한 재난대응 용어분석)

  • Kang, Seong Kyung;Yu, Hwan;Lee, Young Jai
    • Information Systems Review
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    • v.18 no.1
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    • pp.141-155
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    • 2016
  • This study identified terminologies related to the proximity and frequency of disaster by social network analysis (SNA) and text mining, and then expressed the outcome into a mind map. The termdocument matrix of text mining was utilized for the terminology proximity analysis, and the SNA closeness centrality was calculated to organically express the relationship of the terminologies through a mind map. By analyzing terminology proximity and selecting disaster response-related terminologies, this study identified the closest field among all the disaster response fields to disaster response and the core terms in each disaster response field. This disaster response terminology analysis could be utilized in future core term-based terminology standardization, disaster-related knowledge accumulation and research, and application of various response scenario compositions, among others.

A Study on the North Koreans' Dietary Life by Analysis of the Dietary Life Terms (북한 식생활 영역의 용어 연구를 통한 북한 식생활의 이해)

  • An, Soon-Hee;Kim, Yookyung
    • Journal of Korean Home Economics Education Association
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    • v.29 no.1
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    • pp.1-13
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    • 2017
  • The objective of this study was to understand the dietary life of North Koreans through the examination of dietary life terms assembled and classified from the North Korean sources. In order to ascertain any contrasting aspects and also to improve the degree of understanding, the comparable terms from the South Korean sources were also assembled and classified accordingly. The North Korean sources were the two dictionaries and the two Web sites related with the dietary life in North Korea and those of the South Korean sources were the middle school Home Economics textbooks in South Korea. The major findings of this study on the dietary life terms of North Korea were as follows: 1) The majority of the classified dietary life terms was from the food sector; 2) There were terms which were indicative of the food supply situation in North Korea; 3) The terms related to the corn as the primary crop for the North's food production policy occupied relatively a large proportion of the assembled terms; 4) Chinese-and foreign-origin terms seemingly modified through the North's word purification project were found in the various different categories; 5) Some terms were difficult to understand without special interpretation; 6) There were terms related to the agriculture which were obsolete in the South; and 7) In the South's Home Economics textbooks there were a number of the dietary life policy terms of South Korea and foreign-origin terms. It is hopeful that this study may contribute to the mutual understanding in the field of the dietary life for the South and North Korean youths in spite of the language bifurcation due to the South-North separation.

Analysis of Physics Terminology in Science Textbooks for Teaching Science Words (과학 용어 교육을 위한 과학 교과서 수록 물리 용어 분석)

  • Yun, Eunjeong;Park, Yunebae
    • Journal of The Korean Association For Science Education
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    • v.33 no.4
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    • pp.735-750
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    • 2013
  • The purpose of this study is to relieve the difficulties caused by science terminology in science learning and increasing the efficiency of science education. The reason why students experience difficulties in science terminology is because science words are used without being filtered by a criteria and students have not had the opportunity to be educated properly in science terminology. As a way to solve this problem, we propose establishing a criteria about the science words used in science education and to teach the science words systematically to the students under the criteria. In this study, we used the method of empirical linguistics that investigate the science terminologies actually used in science education to establish a criteria for science words. As a basic research for this, we analyzed all words contained in the physics section of science textbooks for elementary and secondary schools. And then, we collected all words used in the physics section of science textbook, and selected the science words for teaching, and rated them by grade. As a result, a total of 930 physics terms were selected as the science words for grade 3 to 10. The numbers of physics terms per grade were as follows: 66 words for the 3rd grade, 38 words for the 4th grade, 35 words for the 5th grade, 28 words for the 6th grade, 203 words for the 7th grade, 135 words for the 8th grade, 123 words for the 9th grade, and 302 words for the 10th grade.

Exploring Middle School Students' Types of Misconceptions on Astronomy Terminologies (중학교 천문학 용어에 대한 학생의 오개념 유형 탐색)

  • Choi, Youngjin;Shin, Donghee
    • Journal of Science Education
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    • v.44 no.3
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    • pp.289-299
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    • 2020
  • In this study, the definition, the level of difficulty, and the certainty of the understanding of 113 astronomy terminologies from 2009 revised middle school geoscience textbooks were examined. And through further interviews, the types of students' misconceptions about astronomy terminologies and their representative terms - examples of misconceptions were analyzed. The definitions of the terms presented by the students were largely classified as correct, low-level, and incorrect understanding. And low-level understanding was subdivided into high-level definition descriptions, undifferentiated concepts, and incorrect answers were subdivided into interference by scientific misconception and lack of prior knowledge. Given that the misconceptions due to terminologies can be distinguished from the prior misconception, the misconceptions due to terminologies can be effectively prevented by changing the term itself. In addition, students were aware of the advantages and disadvantages of metaphorical terms, and the recognition of their level of understanding is expected to be a good starting point considering that recognizing their own misconceptions is the first step in correcting them. Terminologies in science education is always an important subject of discussions, striving to select the right term according to the times, and scientific terms may change. It is expected that the results of this study will be the basis for discussions on the modification of terms.

Analysis of patterns in meteorological research and development using a text-mining algorithm (텍스트 마이닝 알고리즘을 이용한 기상청 연구개발분야 과제의 추세 분석)

  • Park, Hongju;Kim, Habin;Park, Taeyoung;Lee, Yung-Seop
    • The Korean Journal of Applied Statistics
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    • v.29 no.5
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    • pp.935-947
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    • 2016
  • This paper considers the analysis of patterns in meteorological research and development using a text-mining algorithm as the method of analyzing unstructured data. To analyze text data, we define a list of terms related to meteorological research and development, construct times series of a term-document matrix through data preprocessing, and identify terms that have upward or downward patterns over time. The proposed methodology is applied to multi-year plans funded by Korea Meteorological Administration research and development programs from 2011 to 2015.

A Critical Exploration on Terms and Notations in Mathematics Curriculum and Textbooks (교육과정과 교과서에 제시된 용어·기호에 대한 비판적 고찰)

  • Kim, Sun Hee;Seo, Dong Yeop;Kang, Sung Kwon;Kim, Su Min
    • School Mathematics
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    • v.18 no.3
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    • pp.611-623
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    • 2016
  • This study explored the problems of definitions and choices of terms and notations and proposed a few tasks for improvement of them included , , of high school mathematics based on 2009 revised mathematics curriculum and textbooks. We explored the problems on the features of the methods and contents of definitions of terms and notations in the viewpoint of the possibilities of difficulties on students' understanding, and proposed several criteria for choices of terms and notations in curriculum. And we proposed several tasks to improve the problems as follows: we need to implement much analyses and discussions on terms and notations and to open the results, to make the criteria for the examinations of mathematics textbooks in the viewpoint of therm and notation, to consider the differences of the methods of definitions among primary, middle, and high schools, and to consider the changes of terms and notations and the methods for introduction of them in textbooks.