_:b56713424	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/74cc1a3efb04282e8e89616e58b7749183fc0146/1> .
_:b56713425	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56713425	<http://www.w3.org/ns/oa#exact>	"frequency" .
_:b56713424	<http://www.w3.org/ns/oa#hasSelector>	_:b56713425 .