_:b57452917	<http://www.w3.org/ns/oa#exact>	"efficiency" .
_:b57452916	<http://www.w3.org/ns/oa#hasSelector>	_:b57452917 .
_:b57452916	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/e1ae1fce6ed744522728aef322c22b5f239b9157/0> .
_:b57452917	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .