_:b57612881	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57612880	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/d881769ce120296d1b47e6b4f4e8338a17978b4d/0> .
_:b57612880	<http://www.w3.org/ns/oa#hasSelector>	_:b57612881 .
_:b57612881	<http://www.w3.org/ns/oa#exact>	"migration" .