_:b57732449	<http://www.w3.org/ns/oa#exact>	"frequency" .
_:b57732448	<http://www.w3.org/ns/oa#hasSelector>	_:b57732449 .
_:b57732449	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57732448	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/74e59285343e386fd3188f7426843539dad59f7f/7> .