<http://ns.inria.fr/covid19/PMC4659412#body_text>	<http://purl.org/dc/terms/subject>	"1834 in science" .
<http://ns.inria.fr/covid19/PMC4659412#body_text>	<http://purl.org/dc/terms/subject>	"Kamen Rider television series" .
<http://ns.inria.fr/covid19/PMC4659412#body_text>	<http://purl.org/dc/terms/subject>	"Buildings and structures in Amsterdam" .