_:b57624760 <http://www.w3.org/ns/oa#hasSelector> _:b57624761 . _:b57624761 <http://www.w3.org/ns/oa#exact> "occurrence" . _:b57624761 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b57624760 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/826c8c181124425f00147514506ebb207092360b/0> .