_:b56754509 <http://www.w3.org/ns/oa#exact> "reduction" . _:b56754508 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/d7a83aa4ab9b3fb17d6fbb6d7fb5e71f3939135f/0> . _:b56754508 <http://www.w3.org/ns/oa#hasSelector> _:b56754509 . _:b56754509 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> .