<http://ns.inria.fr/covid19/PMC7123477#body_text>	<http://purl.org/dc/terms/subject>	"Cities and towns in Kazakhstan" .
<http://ns.inria.fr/covid19/PMC7123477#body_text>	<http://purl.org/dc/terms/subject>	"Tourist attractions in Moscow" .
<http://ns.inria.fr/covid19/PMC7123477#body_text>	<http://purl.org/dc/terms/subject>	"Naval aviation services" .