_:b56983993	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56983992	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/69d982cfea43e4dc7e60197d3e4958b5d6459d67/3> .
_:b56983992	<http://www.w3.org/ns/oa#hasSelector>	_:b56983993 .
_:b56983993	<http://www.w3.org/ns/oa#exact>	"operative time" .