<http://ns.inria.fr/covid19/PMC5542384#body_text>	<http://purl.org/dc/terms/subject>	"Kamen Rider television series" .
<http://ns.inria.fr/covid19/PMC5542384#body_text>	<http://purl.org/dc/terms/subject>	"Network theory" .
<http://ns.inria.fr/covid19/PMC5542384#body_text>	<http://purl.org/dc/terms/subject>	"Sports clubs established in the 1780s" .