_:b57415889	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57415888	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/f17c5ceaf1cfe617fcc028da408d0253df388cb7/1> .
_:b57415888	<http://www.w3.org/ns/oa#hasSelector>	_:b57415889 .
_:b57415889	<http://www.w3.org/ns/oa#exact>	"SNA" .