_:b57782776	<http://www.w3.org/ns/oa#hasSelector>	_:b57782777 .
_:b57782777	<http://www.w3.org/ns/oa#exact>	"efficiencies" .
_:b57782776	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/4ac048afedd98d52d6993a8549ddf784f4a2245b/0> .
_:b57782777	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .