_:b57321740	<http://www.w3.org/ns/oa#hasSelector>	_:b57321741 .
_:b57321741	<http://www.w3.org/ns/oa#exact>	"improved" .
_:b57321741	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57321740	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/c436139975d97ef929b5d8452595de40bda0c11c/4> .