<http://ns.inria.fr/covid19/PMC7314232#body_text>	<http://purl.org/dc/terms/subject>	"RTT" .
<http://ns.inria.fr/covid19/PMC7314232#body_text>	<http://purl.org/dc/terms/subject>	"Independent cities in the United States" .
<http://ns.inria.fr/covid19/PMC7314232#body_text>	<http://purl.org/dc/terms/subject>	"Populated places established in 1898" .
<http://ns.inria.fr/covid19/PMC7314232#body_text>	<http://purl.org/dc/terms/subject>	"Data mining" .