<http://ns.inria.fr/covid19/PMC7391233#body_text>	<http://purl.org/dc/terms/subject>	"Port cities and towns in Germany" .
<http://ns.inria.fr/covid19/PMC7391233#body_text>	<http://purl.org/dc/terms/subject>	"History of Greater Sudbury" .
<http://ns.inria.fr/covid19/PMC7391233#body_text>	<http://purl.org/dc/terms/subject>	"Economy of Greater Sudbury" .