_:b57917553	<http://www.w3.org/ns/oa#exact>	"migration" .
_:b57917552	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/7beb9dbaab716d6e91e531deaad82d8697a9f196/0> .
_:b57917553	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57917552	<http://www.w3.org/ns/oa#hasSelector>	_:b57917553 .