_:b56824928	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/ac9b7ebd74325c3d7280a2a8b0ebd8b57632137e/0> .
_:b56824929	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56824929	<http://www.w3.org/ns/oa#exact>	"frequency" .
_:b56824928	<http://www.w3.org/ns/oa#hasSelector>	_:b56824929 .