<http://ns.inria.fr/covid19/PMC7304702#title>	<http://purl.org/dc/terms/subject>	"Mobile technology" .
<http://ns.inria.fr/covid19/PMC7304702#title>	<http://purl.org/dc/terms/subject>	"Quantum information theory" .
<http://ns.inria.fr/covid19/PMC7304702#title>	<http://purl.org/dc/terms/subject>	"SMS-based question answering services" .