<http://ns.inria.fr/covid19/PMC7274313#body_text>	<http://purl.org/dc/terms/subject>	"Information technology companies of South Africa" .
<http://ns.inria.fr/covid19/PMC7274313#body_text>	<http://purl.org/dc/terms/subject>	"Companies formerly listed on the London Stock Exchange" .
<http://ns.inria.fr/covid19/PMC7274313#body_text>	<http://purl.org/dc/terms/subject>	"Technology companies established in 1948" .