id	domain	url
aiti-8492	doi.org	https://doi.org/10.46604/aiti.2021.8492
aiti-8492	arxiv.org	https://arxiv.org/pdf/1604.06737.pdf
aiti-8492	kostat.go.kr	http://kostat.go.kr/portal/eng/pressreleases/8/1/index.board
aiti-8492	creativecommons.org	https://creativecommons.org/licenses/by-nc/4.0/)