_:b57447716	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/afd2be8671210854e436fb33b002bf7c65f78c8a/0> .
_:b57447716	<http://www.w3.org/ns/oa#hasSelector>	_:b57447717 .
_:b57447717	<http://www.w3.org/ns/oa#exact>	"migration" .
_:b57447717	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .