_:b57531844	<http://www.w3.org/ns/oa#hasSelector>	_:b57531845 .
_:b57531845	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57531845	<http://www.w3.org/ns/oa#exact>	"year" .
_:b57531844	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/6b2e8452b634820689f92ae1bc2d83ac286038e4/1> .