• Title/Summary/Keyword: 부류

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Identifying Yellow Sand from the Ocean Color Sensor SeaWIFS Measurements (해색 센서 SeaWiFS 관측을 이용한 황사 판독)

  • 손병주;황석규
    • Korean Journal of Remote Sensing
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    • v.14 no.4
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    • pp.366-375
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    • 1998
  • Optical characteristics of the yellow sand and their influences on the ocean color remote sensing has been studied using ocean color sensor SeaWiFS measurements. Two cases of April 18 and April 25, 1998, representing yellow sand and background aerosol, are selected for emphasizing the impact of high aerosol concentration on the ocean color remote sensing. It was shown that NASA's standard atmospheric correction algorithm treats yellow sand area as either too high radiance or cloud area, in which ocean color information is not generated. Optical thickness of yellow sand arrived over the East Asian sea waters in April 18 indicates that there are two groups loaded with relatively homogeneous yellow sand, i.e.: heavy yellow sand area with optical thickness peak around 0.8 and mild area with about 0.4, which are consistent with ground observations. The movement of the yellow sand area obtained from surface weather maps and backward trajectory analysis manifest the notion that the weak yellow sand area was originated from the outer region of the dust storm. It is also noted that high optical thickness associated with the yellow sand is significantly different from what we may observe from background aerosol, which is about 0.2. These characteristics allow us to determine the yellow sand area with an aid of atmospheric correction parameter. Results indicate that the yellow sand area can be determined by applying the features revealed in scattergrams of atmospheric correction parameter and optical thickness.

Calmness as an Emotion in Aristotle's Rhetoric II 3 (아리스토텔레스가 『수사학』 II 3장에서 말하는 평온의 감정)

  • Hahn, Seok-whan
    • Journal of Korean Philosophical Society
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    • v.144
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    • pp.371-398
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    • 2017
  • The emotions that Aristotle treats in Rhetoric II 2-11 are broadly divided into two groups: the one is the so-called basic emotions, the other the emotions that are opposed to them. The reason that he draws attention to the opposite emotions is that, for example, angry judges must be placed in an opposite state. The question is whether the calmness treated in Rhetoric II 3 is an emotion. Because it is treated in the Ethics as a virtue and thus as a trait of character. How is calmness distinguished as an emotion from that as a virtue? And in what way is it opposed to anger? In short, what is the calmness, inasmuch as it is an emotion? This is the question which is the task of this work. The thesis asserted in this paper is that calmness is the disposition to do a service for another that results from praise or some other act that enhances a belief in one's worth. To substantiate the thesis, the following questions are discussed. The first question is whether the calmness could also contain proportions of pleasure and pain. The question also arises whether it could be also treated properly according to the standard 'target person-intentional object-mental state'. Finally, there is a comparison between the concept of calmness in the Ethics and Rhetoric, so that the latter concept places itself in the foreground.

Calligraphy Style in the Early Joseon Period : An Examination of Renowned Calligraphy of Korea (《해동명적》을 통해 본 조선 초기 서풍)

  • Yoo, Jibok
    • Korean Journal of Heritage: History & Science
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    • v.52 no.1
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    • pp.148-169
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    • 2019
  • The purpose of this paper is to understand characteristics and trends of calligraphy styles through the analysis of handwriting. Renowned Calligraphy of Korea (海東名迹, Haedong Myeongjeok) is the first collection of famous Korean calligraphers' masterpieces and was published by Shin Gongje (申公濟, 1469-1536) in the early sixteenth century. While my previous studies have focused on analyzing the publishing backgrounds of and differences among the wood block editions and stone-carved editions of the various remaining copies of Renowned Calligraphy of Korea, this study examines the calligraphy style in the early Joseon period as represented within the collection itself. This study tries to identify the aspects of style transitions among two categories of calligraphy: (1) the calligraphy style of scribes who were in charge of documentation in the central administrative institutions (館閣) and (2) the calligraphy style passed down among the Goryeong Shin clan (高靈申氏). This study verifies that various styles which emerged based on the influence of the revivalism of the late Yuan dynasty gained acceptance in the early Joseon period while the traditional Wang Xizhi style was still in use. The most notable revelation of this study is that the calligraphy style of Kangli Naonao (康里??), a Yuan dynasty calligrapher from a remote region to the west of China, appears to have become acceptable during this period. Indeed, various Yuan dynasty styles were flowing into Korea during the late Goryeo and the early Joseon period that stand in contrast to Zhao Mengfu's "pine-snow calligraphy style." Finally, the authenticity of the Eo Sukguan (魚叔權)'s record in A Storyteller's Miscellany (稗官雜記, Paegwanjapgi) is reviewed in this study. Eo claims that writing attributed to Park Gyeong in Renowned Calligraphy of Korea was actually Shin Jageon's. However, the analysis of the relationship between Shin and Park based on their backgrounds and their political positions suggests that Eo's claim is not valid.

Analyzing Vocabulary Characteristics of Colloquial Style Corpus and Automatic Construction of Sentiment Lexicon (구어체 말뭉치의 어휘 사용 특징 분석 및 감정 어휘 사전의 자동 구축)

  • Kang, Seung-Shik;Won, HyeJin;Lee, Minhaeng
    • Smart Media Journal
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    • v.9 no.4
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    • pp.144-151
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    • 2020
  • In a mobile environment, communication takes place via SMS text messages. Vocabularies used in SMS texts can be expected to use vocabularies of different classes from those used in general Korean literary style sentence. For example, in the case of a typical literary style, the sentence is correctly initiated or terminated and the sentence is well constructed, while SMS text corpus often replaces the component with an omission and a brief representation. To analyze these vocabulary usage characteristics, the existing colloquial style corpus and the literary style corpus are used. The experiment compares and analyzes the vocabulary use characteristics of the colloquial corpus SMS text corpus and the Naver Sentiment Movie Corpus, and the written Korean written corpus. For the comparison and analysis of vocabulary for each corpus, the part of speech tag adjective (VA) was used as a standard, and a distinctive collexeme analysis method was used to measure collostructural strength. As a result, it was confirmed that adjectives related to emotional expression such as'good-','sorry-', and'joy-' were preferred in the SMS text corpus, while adjectives related to evaluation expressions were preferred in the Naver Sentiment Movie Corpus. The word embedding was used to automatically construct a sentiment lexicon based on the extracted adjectives with high collostructural strength, and a total of 343,603 sentiment representations were automatically built.

Academic Warning Students' Learning Behavior Type Exploration (학사경고 대학생의 학습행동 유형 탐색)

  • Hyun, Yong-Chan;Hong, Seung-Hee;Park, Jung-Hwan
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.21 no.12
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    • pp.819-825
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    • 2020
  • This study explored the possibility of psychological testing as a way to proactively support underachieving students. Among the four-year college students that participated in our study, 43 students who participated in the academic warning support program for the second semester of 2019 and 30 students who had no academic warning experience used the data from the study personality type test. For data analysis, technical statistics, t-test, and correlation analysis were performed using jambi 1.1.9.0 to obtain the Pearson correlation. Studies have shown that the two classes of students differ in their learning behavior patterns. A student with a bachelor's degree warning scored high in the rest of the class, except for rebelliousness, perfection, mixed thoughts, hard work, satisfaction, single-mindedness and type satisfaction. This can be seen as a factor in the psychological conflict, such as the discrepancy between what one likes and what one studies, and lack of available support. It has been confirmed that psychology, emotional parts and economic support are needed as well as learning skills. In addition, this study is expected to provide basic data for proper preemptive support in schools, such as the prevention of dropouts and counseling programs.

Improved Method for Learning Context-Free Grammar using Tabular representation

  • Jung, Soon-Ho
    • Journal of the Korea Society of Computer and Information
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    • v.27 no.2
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    • pp.43-51
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    • 2022
  • In this paper, we suggest the method to improve the existing method leaning context-free grammar(CFG) using tabular representation(TBL) as a chromosome of genetic algorithm in grammatical inference and show the more efficient experimental result. We have two improvements. The first is to improve the formula to reflect the learning evaluation of positive and negative examples at the same time for the fitness function. The second is to classify partitions corresponding to TBLs generated from positive learning examples according to the size of the learning string, proceed with the evolution process by class, and adjust the composition ratio according to the success rate to apply the learning method linked to survival in the next generation. These improvements provide better efficiency than the existing method by solving the complexity and difficulty in the crossover and generalization steps between several individuals according to the size of the learning examples. We experiment with the languages proposed in the existing method, and the results show a rather fast generation rate that takes fewer generations to complete learning with the same success rate than the existing method. In the future, this method can be tried for extended CYK, and furthermore, it suggests the possibility of being applied to more complex parsing tables.

A Study on the Designing by the Personification Technique (의인화 기법으로 소구하는 디자인에 관한 연구)

  • Lee, Se Jung
    • Journal of the Korean Society of Floral Art and Design
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    • no.42
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    • pp.133-144
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    • 2020
  • Anthropomorphism is one of the commonly used appeal methods in the field of communication design. Almost all visual images that humans encounter are exposed to this anthropomorphism, and we are consciously or unconsciously utilizing or being used. In addition, anthropomorphism can be found in almost all cultures and arts rather than in a specific field of study. Therefore, in this paper, the personification is redefined based on the relationship formation structure based on the anthropomorphic cases observed in culture and art and the results of previous studies. In addition, the personification form is defined as two kinds of personification and inverse personification according to the subject of relationship formation based on the personification type and gesture list derived from the previous study on the personification technique. Through the application cases of anthropomorphic techniques, which are appealed across the design domain, the effective anthropomorphic application system was defined. The definition of anthropomorphic relationship formation and anthropomorphic application system provided a framework for anthropomorphic techniques that could lead to effective audience satisfaction in various media. In addition, through the personification application system that synchronizes the characteristics of the conceptual traits of the medium with the gesture list and the personification type classification, it was confirmed that a device for communicating with the owner can be provided with a powerful and effective personification technique.

Molecular Action of Prostaglandin to Mediate Insect Immunity and Its Application to Develop Novel Insect Control Techniques (곤충 면역반응을 중개하는 프로스타글란딘의 분자적 기작과 해충방제 응용)

  • Kim, Yonggyun
    • Korean journal of applied entomology
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    • v.61 no.1
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    • pp.173-195
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    • 2022
  • Like vertebrates, insects synthesize various eicosanoids after the committed catalytic step of phospholipase A2 (PLA2). However, the subsequent biosynthetic steps exhibit some deviation from those of vertebrates. Due to little composition of arachidonic acid in insect phospholipids, PLA2 releases linoleic acid, which is another polyunsaturated fatty acid and relatively rich in insect phospholipids, to synthesize arachidonic acid via chain extension and desaturation. Resulting arachidonic acid is then oxygenated into a prostaglandin (PG), PGH2, by a specific peroxidase called peroxynectin, but not by cyclooxygenase. PGH2 is then isomerized to various PGs such as PGA2, PGD2, PGE2, PGI2, and a thromboxane (TXB2). All four epoxyeicosatrienoic acids such as 5,6-EET, 8,9-EET, 11,12-EET, and 14,15-EET are also synthesized from arachidonic acid by oxygenation of vertebrate types of monooxygenases. However, the other type of eicosanoids called leukotrienes are found in insect tissues but their synthetic pathway is unclear. Eicosanoids mediate various insect physiological processes such as metabolism, excretion, immunity, and reproduction. Thus, identification of novel compounds interrupting eicosanoid biosynthesis would be a novel approach to develop insecticides. This review focuses on PGs and their immune mediation.

Analysis and management of new hazard chemicals in foods (식품 중 신종유해물질의 관리 및 분석)

  • Choi, Dongmi;Hu, Soojung;Suh, Junghyuck;Yoon, Taehyung;Kim, Eunju;Choi, Jangduck;Park, Sung-Kug;Lee, Kwangho
    • Analytical Science and Technology
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    • v.22 no.2
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    • pp.172-185
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    • 2009
  • To help understanding about hazard chemicals occurring newly in food, it has been reviewed characteristics, mechanism, food standards and analytical trend of the hazard chemicals occurring avoidably in food manufacturing process. The new hazard chemicals in food are classified by 4 regarding mechanism such as heat, fermentation, additives and unknowns. The new hazard chemicals by heat process are acrylamide, furan, HCAs and PAHs. By the fermentation, ethylcarbamate and biogenic amines are occurred. According to food additives, 3-MCPD, benzene and nitrosamines can be produced. And the last group is the illegal compounds including anti-impotence drug analogues and anti-obesity drug analogues. To analyze the new hazard chemicals in food, GC or LC with UVD, FLD or MSD are used mainly after sample pretreatment by LLE, SPE or headspace method.

College Students' Re-Acculturation to their "Home" Country: Focusing on their Cultural Identity (해외거주 귀국 대학생들의 "모국" 문화재적응: 문화정체성을 중심으로)

  • Ansuk Jeong;Kyung Ja Oh;Seojin Oh;Curie Park
    • Korean Journal of Culture and Social Issue
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    • v.21 no.1
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    • pp.1-20
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    • 2015
  • Among the cultural groups that increase South Korea's diversity, there are adolescents returning to Korea after their stay abroad. From 15 in-depth interviews with those who stayed abroad for longer than 5 years, 11 codes were generated. The codes were divided into two categories: "assets" when the multicultural experience served as resources for the returnees adapting to Korean culture successfully and "disadvantages" when the multiple experience remained fragmented for the returnees experiencing difficulty in re-acculturation. The distinguishing factors between the success and difficulty in re-acculturation appeared to be the cultural identity as Korean and the "openness to experience." The interwoven nature of personal and social factors stood out, along with the role of cultural identity throughout the process. Also the "openness to experience" as a strategy of integrating the past experiences is discussed, as well as the implications of the findings and the suggestions for future studies in the contemporary multicultural South Korea as a host society.

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