_:b56450480	<http://www.w3.org/ns/oa#hasSelector>	_:b56450481 .
_:b56450481	<http://www.w3.org/ns/oa#exact>	"mean knowledge score" .
_:b56450480	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/eac85c85c3a2ac1d3fe53e1e3b3fee98f52527ad/0> .
_:b56450481	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .