_:b57171045 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b57171045 <http://www.w3.org/ns/oa#exact> "rate" . _:b57171044 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/ed1d63b5c9b11c69d397d175448da0c86bbdb8b0/18> . _:b57171044 <http://www.w3.org/ns/oa#hasSelector> _:b57171045 .