_:b56841128	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/9b5d106a9955d061e1c81502976f29f3765b40be/0> .
_:b56841128	<http://www.w3.org/ns/oa#hasSelector>	_:b56841129 .
_:b56841129	<http://www.w3.org/ns/oa#exact>	"frequency score" .
_:b56841129	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .