• Title/Summary/Keyword: 서술적 연구

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Chemical kinetic models for predicting SI engine knocking (불꽃 점화기관의 노킹을 예측하는 화학적 모델)

  • 박병완
    • Journal of the korean Society of Automotive Engineers
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    • v.13 no.4
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    • pp.35-42
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    • 1991
  • 본 연구에서는 말단가스의 온도, 압력 그리고 농도가 변화함에 따라 어떻게 자동점화가 일어나는지를 서술하는 chemical kinetic model에 대하여 서술한다. 먼저 자동점화 현상을 화학적으로 modelling하는데 두가지 다른 접근방식에 대해 서술하고 각각 model의 예측치와 실험치와의 상관관계를 알아본 후, 마지막으로 두 model을 비교하여 본다.

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A Study of Teachers' Perception and Status about Descriptive Evaluation in Secondary School Mathematics (중등 수학과 서술형 평가의 현황 분석 연구)

  • Noh, Sun-Sook;Kim, Min-Kyeong;Cho, Seong-Min;Jeong, Yeon-Sook;Jeong, Yun-Ah
    • Journal of the Korean School Mathematics Society
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    • v.11 no.3
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    • pp.377-397
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    • 2008
  • In today's secondary school mathematics curriculum, assessment is to be focused on evaluating the student's mathematical thinking rather than finding the correct solution to the problem. A descriptive evaluation method is therefore introduced to the school districts and suggested as an alternative assessment method in K-12 school mathematics. Descriptive evaluation method is widely available for use in schools, but there are barriers to using it since the teachers are forced to use the method by the school districts. In this research, we surveyed 120 secondary school mathematics teachers in Seoul and the surrounding metropolitan area to understand the status and the perception about using descriptive evaluation. The goal of the study was to find and understand the direct implications of using the new assessment method in secondary mathematics classes. The study showed that most of the mathematics teachers used the descriptive assessment method during their regular exam periods which is given twice per semester. Most of the open-ended problems used for descriptive evaluation were medium or high level math questions which were graded by the teachers at least 3 times to ensure objective evaluation. The teachers stated that objectivity in grading, administrative situation, and development of descriptive problems were the difficult barriers in descriptive evaluation. The teachers in the survey also commented that teachers' administrative responsibility should be reduced and that school environment in general should be improved for the new assessment method to become successful. Finally, the study showed that development of more descriptive problems with specific grading guidelines need to be developed for each grade level.

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An Analysis of Complement Structures of a Sentence in Indonesian: Based on the Analyses of Current Studies (인도네시아어 보어 문장구조 분석: 학자들 시각 분석을 토대로)

  • IM, Youngho
    • The Southeast Asian review
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    • v.28 no.4
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    • pp.223-252
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    • 2018
  • The purpose of this paper is to substantially analyse the patterns of complements considering the aspects of not only syntax but also morphology since the concept of complement has been used as a term to analyse the components of a sentence. However, it cannot be denied that there seemed to be limitations due to the partial explanation or different explanations of the same sentence. Thus, this paper aims at dealing with the close relation between sentential components and suffixes to examine the sentence patterns; subject, predicate, object, complement, and adjunct focusing on the terms of complement which has been seen problematic due to incomplete explanations and different interpretations of the same sentence. Finally, this paper synthesises various opinions of many scholars and integrates them to get explicit and practical patterns of complement of a sentence based on not only syntax but also morphology through close relation between sentential components and morphological suffixes.

Analysis of the Verbs in the 2009 Revised National Science Curriculum-from the Viewpoint of Cognitive Domain of TIMSS Assessment Framework (2009 개정 과학과 교육과정의 성취기준에 사용된 서술어 분석 -TIMSS 인지적 영역 평가틀을 중심으로-)

  • Song, Eun-Jeong;Je, Min-Kyeong;Cha, Kyung-Mi;Yoo, June-Hee
    • Journal of The Korean Association For Science Education
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    • v.36 no.4
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    • pp.607-616
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    • 2016
  • In the 2009 revised science curriculum, comprehensive verbs such as 'know (38%)' and 'understand (46%)' are used in more than 80% of the achievement standard. Many readers, such as teachers, textbook makers, etc. have difficulties in interpreting the meaning of achievement standard sentences with these comprehensive verbs. On the other hand, 'Trends in International Mathematics and Science Study (TIMSS)' uses more various and specific verbs to express the cognitive domain. In this study, we analyzed the 2009 revised science curriculum achievement standard focusing on the TIMSS cognitive domain assessment framework. We divided achievement standard to 228 sentences and three teachers analyzed the meaning of verbs in achievement standard. There were two main results of this study. First, the verb 'Know' was analyzed into different kinds of meanings, such as 'Describe (27%)', 'Recall/Recognize (25%)' and 'Relate (17%)', etc; and the verb 'Understand' was analyzed into 'Explain (37%)', 'Relate (27%)' and 'Describe (21%)', etc. Second, there appeared to have a disagreement among the three analysts during the process of interpreting the achievement standards when the level and scope of the contents of each grade is not clear. This study concludes that there's a need for continuous discussion on the use of verbs in achievement standard to promote clearer expressions for better understanding.

Component Analysis for Constructing an Emotion Ontology (감정 온톨로지의 구축을 위한 구성요소 분석)

  • Yoon, Aesun;Kwon, Hyuk-Chul
    • Annual Conference on Human and Language Technology
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    • 2009.10a
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    • pp.19-24
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    • 2009
  • 의사소통에서 대화자 간 감정의 이해는 메시지의 내용만큼이나 중요하다. 비언어적 요소에 의해 감정에 관한 더 많은 정보가 전달되고 있기는 하지만, 텍스트에도 화자의 감정을 나타내는 언어적 표지가 다양하고 풍부하게 녹아 들어 있다. 본 연구의 목적은 인간언어공학에 활용할 수 있는 감정 온톨로지를 설계하는 데 있다. 텍스트 기반 감정 처리 분야의 선행 연구가 감정을 분류하고, 각 감정의 서술적 어휘 목록을 작성하고, 이를 텍스트에서 검색함으로써, 추출된 감정의 정확도가 높지 않았다. 이에 비해, 본 연구에서 제안하는 감정 온톨로지는 다음과 같은 장점을 갖는다. 첫째, 감정 표현의 범주를 기술 대상(언어적 vs. 비언어적)과 방식(표현적, 서술적, 도상적)으로 분류하고, 이질적 특성을 갖는 6개 범주 간 상호 대응관계를 설정함으로써, 멀티모달 환경에 적용할 수 있다. 둘째, 세분화된 감정을 분류할 수 있되, 감정 간 차별성을 가질 수 있도록 24개의 감정 명세를 선별하고, 더 섬세하게 감정을 분류할 수 있는 속성으로 강도와 극성을 설정하였다. 셋째, 텍스트에 나타난 감정 표현을 명시적으로 구분할 수 있도록, 경험자 기술 대상과 방식 언어적 자질에 관한 속성을 도입하였다. 이때 본 연구에서 제안하는 감정 온톨로지가 한국어 처리에 국한되지 않고, 다국어 처리에 활용할 수 있도록 확장성을 고려했다.

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Study on the Development of Cultural Contents for Epic Poem Geumgang (서사시 "금강"의 문화콘텐츠 개발에 관한 연구)

  • Kang Sang-Dae
    • The Journal of the Korea Contents Association
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    • v.6 no.7
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    • pp.127-135
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    • 2006
  • This study analyzed narrative composition and examined storytelling elements to develop Shin, Dong Yeop's Epic Poem Geumgang into cultural contents. This piece's narration involves separately or compositely historical, fictional, and lyrical compositions and the hierarchical meaning of each composition contributes to exposing the poet's historical view and perception of reality. This piece also contains several storytelling elements by presenting various hierarchies of events and characters. This pieces' heroic characters, war epics and fictional spaces, and mythical stories are very important storytelling elements, and will be effectively used to develop cultural contents for Geumgang.

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Transparency Study of Descriptive Refueling and Signifying Chain Function - For the Efficiency of Media Language Education - (서술적 환유와 의미 연쇄 기능의 투명성 연구 -매체언어교육의 효율성을 위해-)

  • Lim, Ji-Won
    • Journal of Korea Entertainment Industry Association
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    • v.14 no.4
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    • pp.67-75
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    • 2020
  • Metonymy can be said to be the only language's meaning shifting technique that exists in the domain of a single human thought in order to obtain a transparent cognitive effect. The purpose of this study was to analyze the 'descriptive metonymy' of the advertising content language constructed by the cognitive principle and to find a way to use it in media language education for social and cultural interests and reflection of college students. The metonymy used in advertising media contrasts with the difficulty of the metaphorical interpretation of "opaque and distant" reasoning. Storyboards, mostly focused on human emotions and behaviors, used metonymy's 'transparent and easy meaning shifting technique'. I have found that I can expect the efficiency of media language education that contains the interest and sociocultural interest, self-reflection, and future imagination of college students. Now, there is less need to perform cognitive reasoning for advertisements with ambiguous metaphor techniques. Lastly, in order to produce successful advertising content, we expect to use the language technique of 'narrative metonymy' with warm feelings of humans, and acknowledge the lack of quantitative research and leave it as a task for the next research.

Cancelled Predication and Target-Shifting (취소된 서술 행위와 표적 이동)

  • Lee, Seungtaek
    • Korean Journal of Logic
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    • v.22 no.2
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    • pp.309-332
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    • 2019
  • In Kang(2017), Jinho Kang persuasively criticized the attempt of Peter Hanks using his concept of cancelled predication to solve the Frege-Geach problem. According to Kang, Hanks had successfully shown the incoherence of Scott Soames's concept of neutral predication, but if it is true, then Hanks's concept of cancelled predication also falls into the same incoherence. I agree with Kang that Hanks faces the same incoherence, and I think that Hank's answers are unconvincing. As I see, however, it is possible for Hanks to overcome Kang's criticism. In this paper, I will reply to Kang's criticism by using conceptual resources in Hanks's own theory. In particular, the idea is that the final predication is compositionally explained by the type it belongs to without having truth-values because cancelled predication itself gives rise to target-shifting toward the type. By doing so, Hanks can successfully solve the Frege-Geach problem even though he let some remarks about cancelled predication unclear and confusing. In addition, it will be revealed that his notation is misleading as well.

Using Description Logic and Rule Language for Web Ontology Modeling (서술논리와 규칙언어를 이용한 웹 온톨로지 모델링)

  • Kim, Su-Gyeong
    • Proceedings of the Korea Inteligent Information System Society Conference
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    • 2007.05a
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    • pp.277-285
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    • 2007
  • 본 연구는 시맨틱웹 응용의 중심 기술인 웹 온톨로지의 표현과 추론을 위해 서술 논리와 규칙언어를 기반으로하는 웹 온톨로지 모델링 방법을 제안한다. 현재 웹 온톨로지 표현 언어인 OWL DL은 서술 논리에 근거하여 표현되는 것이나, 기계나 온톨로지 공학자가 OWL로 기술된 온톨로지를 직관적으로 이해하고 공유할 수 있는 형식적이고 명시적인 온톨로지의 지식 표현은 부족한 실정이다. 따라서 본 연구는 시맨틱웹이 목적하는 웹 온톨로지 구축을 위한 웹 온톨로지 모델링 방법으로 웹 온톨로지 모델링 계층을 제안하고, 제안된 각 계층에 따라 서술 논리의 TBox와 ABox의 구조와 SWRL을 기반으로 지식을 표현하는 웹 온톨로지 모델링 방법을 제안한다. 제안된 웹 온톨로지 모델링 방법의 성능 검증을 위해 제안 방법에 따라 웹 온톨로지를 구축하였고, SPARQL과 TopBraid의 DL Inference를 이용하여 구축된 웹 온톨로지의 성능을 검증하였다.

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Student difficulties in constructed-response mathematics assessments: A case study of writing activities for low-performing first-year high school students (수학 서술형 평가의 어려움과 지도 방안: 고교 1학년 노력형 학생의 쓰기 활동 사례 연구)

  • Mihui Bae;Woong Lim
    • The Mathematical Education
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    • v.63 no.1
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    • pp.1-18
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    • 2024
  • This study aims to analyze low-performing high school students' difficulties in constructed response (CR) mathematics assessments and explore ways to use writing activities to support student learning. The participants took CR assessments, engaged in guided writing activities across 15 lessons, and provided responses to our interviews. The study identified 20 types of student difficulties, which were sorted into two main categories: "mathematical difficulties" and "CR difficulties." The difficult nature of mathematics as a school subject included a lack of understanding of mathematical concepts, students' difficulty with mathematical symbols and notations, and struggles with word problems. Challenges specific to CR assessments included students' difficulties arising from the testing conditions unlike those of multiple-choice items, and included issues related to constructing appropriate responses and psychological barriers. To address these challenges in CR assessments, the study conducted guided writing activities as an intervention, through which six themes were identified: (1) internalization of mathematical concepts, (2) mathematical thinking through relational understanding, (3) diverse problem-solving methods, (4) use of mathematical symbols, (5) reflective thinking, and (6) strategies to overcome psychological barriers.