_:b56883036	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/d06ed5f9068f53c1e2cfc47ee2e8b49a4013ff50/6> .
_:b56883037	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56883037	<http://www.w3.org/ns/oa#exact>	"frequency" .
_:b56883036	<http://www.w3.org/ns/oa#hasSelector>	_:b56883037 .