_:b57867460 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/223151fbb16d834ead6f0a4b511fac7fb35379bc/3> . _:b57867461 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b57867461 <http://www.w3.org/ns/oa#exact> "RV" . _:b57867460 <http://www.w3.org/ns/oa#hasSelector> _:b57867461 .