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김초희(Chohee Kim),이창희(Changhee Lee) 대한전자공학회 2023 대한전자공학회 학술대회 Vol.2023 No.6
Advances in data collection technology have made multiview data widely accessible. Multiview data provides a variety of observations with highdimensional features, making it advantageous for analyzing tasks. However, this also presents a challenge as only a small fraction of the variables are directly relevant to the target. Therefore, this paper emphasizes the importance of considering the relationships between variables across views in multiview data for a more profound understanding. In this paper, we review the existing view-shared and view-specific perspectives and introduce a new concept called view-synergic. We provide a definition of view-synergic in terms of information theory and advocate its necessity. Furthermore, we demonstrate through synthetic experiments how synergic variables have not been adequately considered in previous feature selection methods.
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김초희(Chohee Kim),김도연(Doh Yeon Kim) 한국언론학회 2018 한국언론학보 Vol.62 No.3
Korean multicultural television programs have been usually studied in terms of individual program analysis. This study aims to expand the scope of multicultural program research by analyzing the programs quantitatively and comprehensively. For this purpose, a content analysis of Korean multicultural TV programs from 2003 to 2016 was conducted to investigate the representation ratio of immigrants and foreigners by race and immigration type, the differences in the degree of representation depending on the genres, and the changes over time. The results show that the representation ratio of white people was higher than that of non-white people. Among the immigration types, migrant workers with a professional work background and international students scored high representation ratio and migrant workers with a low-skilled background had very low representation ratio. Regarding genre, non-white people were represented more than white people in educational programs but there was no difference in entertainment programs. By immigration type, married immigrants and children of multicultural families were more highly represented in educational programs, and migrant workers with a professional work background and international students were more highly represented in entertainment programs. Lastly, there were some changes in the frequency of representation by immigration type over time, such as the decrease in the representation of migrant workers with a professional work background and international students and the increase in the representation of married immigrants and children of multicultural families. However, there was no change in the frequency of representation by race and white people continued to be represented more than non-white people. Implications and suggestions were discussed based on the results.
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