_:b57033241	<http://www.w3.org/ns/oa#exact>	"frequency" .
_:b57033240	<http://www.w3.org/ns/oa#hasSelector>	_:b57033241 .
_:b57033241	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57033240	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/43b1ac395488dea68103db51bbc449285155d496/0> .