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의학교육에서 기계학습방법 교육: 석면 언론 프레임 연구사례를 중심으로

Other Titles
 Machine Learning Method in Medical Education: Focusing on Research Case of Press Frame on Asbestos 
Authors
 김준혁  ;  허소윤  ;  강신익  ;  김건일  ;  강동묵 
Volume
 19 
Number
 3 
Start Page
 158 
End Page
 168 
Issue Date
2017
Keywords
Asbestos ; Structured topic modelling ; Automated text analysis ; Machine learning ; Big data
Abstract
There is a more urgent call for educational methods of machine learning in medical education, and therefore, new approaches of teaching and researching machine learning in medicine are needed. This paper presents a case using machine learning through text analysis. Topic modeling of news articles with the keyword ‘asbestos’ were examined. Two hypotheses were tested using this method, and the process of machine learning of texts is illustrated through this example. Using an automated text analysis method, all the news articles published from January 1, 1990 to November 15, 2016 in South Korea which included ‘asbestos’ in the title and the body were collected by web scraping. Differences in topics were analyzed by structured topic modelling (STM) and compared by press companies and periods. More articles were found in liberal media outlets. Differences were found in the number and types of topics in the articles according to the partisanship and period. STM showed that the conservative press views asbestos as a personal problem, while the progressive press views asbestos as a social problem. A divergence in the perspective for emphasizing the issues of asbestos between the conservative press and progressive press was also found. Social perspective influences the main topics of news stories. Thus, the patients’ uneasiness and pain are not presented by both sources of media. In addition, topics differ between news media sources based on partisanship, and therefore cause divergence in readers’ framing. The method of text analysis and its strengths and weaknesses are explained, and an application for the teaching and researching of machine learning in medical education using the methodology of text analysis is considered. An educational method of machine learning in medical education is urgent for future generations.
Files in This Item:
oak-pub-00541 Download
DOI
10.17496/kmer.2017.19.3.158
Appears in Collections:
1. College of Medicine (의과대학) > Korean Medical Education Review (의학교육논단) > 1. Publications
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/159172
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