_:b57864457	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57864456	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/c7a0e968b16fbd14fd8bf135f1404ffbe054831b/1> .
_:b57864457	<http://www.w3.org/ns/oa#exact>	"migration" .
_:b57864456	<http://www.w3.org/ns/oa#hasSelector>	_:b57864457 .