<http://ns.inria.fr/covid19/PMC7304741#body_text>	<http://purl.org/dc/terms/subject>	"American companies established in 1993" .
<http://ns.inria.fr/covid19/PMC7304741#body_text>	<http://purl.org/dc/terms/subject>	"Technology companies based in the San Francisco Bay Area" .
<http://ns.inria.fr/covid19/PMC7304741#body_text>	<http://purl.org/dc/terms/subject>	"Software engineering" .