_:b57169248	<http://www.w3.org/ns/oa#hasSelector>	_:b57169249 .
_:b57169249	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57169248	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/8936f7734e68b14b079a2645b8df710c8958e943/2> .
_:b57169249	<http://www.w3.org/ns/oa#exact>	"knowledge" .