{ "items" : [
    { "id" : "_:b57903404"
      "properties" : {
        "http://www.w3.org/ns/oa#hasSource" : [ "http://ns.inria.fr/covid19/arg/8517320ca7ac36fc420ea990fb0b384e45eb8d17/4" ] ,
        "http://www.w3.org/ns/oa#hasSelector" : [ "nodeID://b57903405" ] } },

    { "id" : "_:b57903405"
      "properties" : {
        "http://www.w3.org/1999/02/22-rdf-syntax-ns#type" : [ "http://www.w3.org/ns/oa#TextQuoteSelector" ] ,
        "http://www.w3.org/ns/oa#exact" : [ "pulmonary emboli"] } } }