_:b56526480	<http://www.w3.org/ns/oa#hasSelector>	_:b56526481 .
_:b56526481	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56526480	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/2394f46086f9125174094bc1ca712cdbd404ce16/2> .
_:b56526481	<http://www.w3.org/ns/oa#exact>	"efficiency" .