_:b57393520	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/cc910576e1b3bb7b3c84ebbb35953e624ed45666/1> .
_:b57393521	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57393520	<http://www.w3.org/ns/oa#hasSelector>	_:b57393521 .
_:b57393521	<http://www.w3.org/ns/oa#exact>	"knowledge" .