_:b57439973	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57439972	<http://www.w3.org/ns/oa#hasSelector>	_:b57439973 .
_:b57439973	<http://www.w3.org/ns/oa#exact>	"recurrence" .
_:b57439972	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/87a937ec2cd698b7d24ade1803a22852747ec8c7/4> .