_:b56434437 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b56434436 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/37e2ecefeffdf8d95f1509809b59fe0464abba44/3> . _:b56434437 <http://www.w3.org/ns/oa#exact> "expression" . _:b56434436 <http://www.w3.org/ns/oa#hasSelector> _:b56434437 .