_:b57447796	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/f0a30afef1b3e804325f13174ac94bc804faa584/3> .
_:b57447797	<http://www.w3.org/ns/oa#exact>	"year" .
_:b57447797	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57447796	<http://www.w3.org/ns/oa#hasSelector>	_:b57447797 .