id	domain	url
aiti-6666	doi.org	https://doi.org/10.46604/aiti.2021.6666
aiti-6666	csyue.nccu.edu.tw	http://csyue.nccu.edu.tw/ch/kernel%20estimation(ref).pdf
aiti-6666	en.wikipedia.org	https://en.wikipedia.org/wiki/kernel_(statistics)
aiti-6666	shanghai.sodachallenges.com	http://shanghai.sodachallenges.com/data.html
aiti-6666	www.199it.com	http://www.199it.com/archives/581592.html
aiti-6666	creativecommons.org	https://creativecommons.org/licenses/by-nc/4.0/)