_:b57140012	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/f456aeb3d2dd8f321a23068ec9ed25c611b819e7/4> .
_:b57140013	<http://www.w3.org/ns/oa#exact>	"knowledge" .
_:b57140012	<http://www.w3.org/ns/oa#hasSelector>	_:b57140013 .
_:b57140013	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .