id	domain	url
sc-1096	creativecommons.org	https://creativecommons.org/licenses/by/4.0
sc-1096	creativecommons.org	https://creativecommons.org/licenses/by/4.0
sc-1096	www.eea.europa.eu	www.eea.europa.eu/themes/waste/wastemanagement/digital-technologies-will-deliver-more
sc-1096	www.ellenmacarthurfoundation.org	www.ellenmacarthurfoundation.org/publications
sc-1096	www.smart-cities.eu	www.smart-cities.eu/download/city_ranking_
sc-1096	www.elen.ucl.ac.be	https://www.elen.ucl.ac.be
sc-1096	www.itu.int	https://www.itu.int/dms_
sc-1096	arxiv.org	http://arxiv.org/pdf/1609.04747v2
sc-1096	arxiv.org	http://arxiv.org/pdf/1412.6980v9
sc-1096	arxiv.org	http://arxiv.org/pdf