<http://ns.inria.fr/covid19/PMC5256275#body_text>	<http://purl.org/dc/terms/subject>	"Review journals" .
<http://ns.inria.fr/covid19/PMC5256275#body_text>	<http://purl.org/dc/terms/subject>	"Cluster analysis algorithms" .
<http://ns.inria.fr/covid19/PMC5256275#body_text>	<http://purl.org/dc/terms/subject>	"Psychometrics" .
<http://ns.inria.fr/covid19/PMC5256275#body_text>	<http://purl.org/dc/terms/subject>	"Theses" .