텍스트 마이닝 기법을 이용한 환경 분야의 ICT 활용 연구 동향 분석 = A Study on Environmental research Trends by Information and Communications Technologies using Text-mining Technology

다국어 초록 (Multilingual Abstract)

This study quantitatively analyzed the research trends in the use of ICT of the environmental field using the text mining technique. To that end, the study collected 359 papers published in the past two decades (1996-2015) from the National Digital Science Library (NDSL) using 38 environment-related keywords and 16 ICT-related keywords. It processed the natural languages of the environment and ICT fields in the papers and reorganized the classification system into the unit of corpus. It conducted the text mining analysis techniques of frequency analysis, keyword analysis and the association rule analysis of keywords, based on the above-mentioned keywords of the classification system. As a result, the frequency of the keywords of `general environment` and `climate` accounted for 77 % of the total proportion and the keywords of `public convergence service` and `industrial convergence service` in the ICT field took up approximately 30 % of the total proportion. According to the time series analysis, the researches using ICT in the environmental field rapidly increased over the past 5 years (2011-2015) and the number of such researches more than doubled compared to the past (1996-2010). Based on the environmental field with generated association rules among the keywords, it was identified that the keyword `general environment` was using 16 ICT-based technologies and `climate` was using 14 ICT-based technologies.

참고문헌 (Reference)

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