Sentiment analysis of nuclear energy-related articles and their comments on a portal site in Rep. of Korea in 2010–2019
作者： So Yun Jeong , Jae Wook Kim , Young Seo Kim , Han Young Joo , Joo Hyun Moon
DOI: 10.1016/J.NET.2020.07.031
关键词:
摘要: Abstract This paper reviewed the temporal changes in public opinions on nuclear energy Korea with a big data analysis of energy-related articles and their comments posted portal site NAVER. All that included at least one “nuclear energy,” power plant (NPP),” phase-out,” or “anti-nuclear” titles main text were extracted from those NAVER January 2010–December 2019. First, we performed annual word frequency to identify what words had appeared most frequently articles. For period, frequent “NPP,” “energy.” In addition, “safety” has remained upper ranks since Fukushima NPP accident. Then, sentiment pre-processed The showed positive-tone have been reported more than negative-tone over entire period. Last, examine public’s intention regarding issues. number negative each month–irrespective positive tone–was always larger
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