_:b57515729	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57515728	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/048c66fc10d16dc1ee6c5dbc6125b6a14cab14fb/3> .
_:b57515729	<http://www.w3.org/ns/oa#exact>	"alpha" .
_:b57515728	<http://www.w3.org/ns/oa#hasSelector>	_:b57515729 .