_:b56611976	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/99a7a3218b37ac8117c47fbdd6f8ac6b6ae37ddd/2> .
_:b56611977	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56611976	<http://www.w3.org/ns/oa#hasSelector>	_:b56611977 .
_:b56611977	<http://www.w3.org/ns/oa#exact>	"frequency" .