_:b57314457	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57314456	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/247d7378386c4c48cf327c151a9ea73040df0403/2> .
_:b57314457	<http://www.w3.org/ns/oa#exact>	"migration" .
_:b57314456	<http://www.w3.org/ns/oa#hasSelector>	_:b57314457 .