_:b56886872	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/63f3dbec0f5c2d13e98dcbca95824db0fcbf5c73/0> .
_:b56886873	<http://www.w3.org/ns/oa#exact>	"frequency" .
_:b56886872	<http://www.w3.org/ns/oa#hasSelector>	_:b56886873 .
_:b56886873	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .