_:b57532336 <http://www.w3.org/ns/oa#hasSelector> _:b57532337 . _:b57532337 <http://www.w3.org/ns/oa#exact> "AST" . _:b57532337 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b57532336 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/77b8d67e208f5ba81ff129e0d4ff7e1b73c45482/0> .