_:b56540792	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/34ef6447aba144eb0f01c6bc7375ffc286962736/1> .
_:b56540793	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56540793	<http://www.w3.org/ns/oa#exact>	"frequency" .
_:b56540792	<http://www.w3.org/ns/oa#hasSelector>	_:b56540793 .