_:b57569237 <http://www.w3.org/ns/oa#exact> "DC" . _:b57569236 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/b8b5d71242ee50c531cab2c04176241bc48fc468/0> . _:b57569236 <http://www.w3.org/ns/oa#hasSelector> _:b57569237 . _:b57569237 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> .