_:b56918500 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/d9409d069e5f32bcafe5afa6f0fa478bab41029a/1> . _:b56918501 <http://www.w3.org/ns/oa#exact> "expression" . _:b56918500 <http://www.w3.org/ns/oa#hasSelector> _:b56918501 . _:b56918501 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> .