_:b57754265 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b57754264 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/2e8c3862afecfb92067189a7e3e316ae2b1022ba/0> . _:b57754265 <http://www.w3.org/ns/oa#exact> "post" . _:b57754264 <http://www.w3.org/ns/oa#hasSelector> _:b57754265 .