<http://ns.inria.fr/covid19/PMC7282873#body_text>	<http://purl.org/dc/terms/subject>	"American companies established in 1939" .
<http://ns.inria.fr/covid19/PMC7282873#body_text>	<http://purl.org/dc/terms/subject>	"Technology companies based in the San Francisco Bay Area" .
<http://ns.inria.fr/covid19/PMC7282873#body_text>	<http://purl.org/dc/terms/subject>	"Multinational companies headquartered in the United States" .