_:b56740501	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56740500	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/e7b8761e03a3ce7edd5c0df23946c4ac8618c708/0> .
_:b56740500	<http://www.w3.org/ns/oa#hasSelector>	_:b56740501 .
_:b56740501	<http://www.w3.org/ns/oa#exact>	"efficiency" .