{ "items" : [
    { "id" : "_:b57902992"
      "properties" : {
        "http://www.w3.org/ns/oa#hasSource" : [ "http://ns.inria.fr/covid19/arg/582f92ff7d1c2d627834fa40c2a8c57bd3c6427a/0" ] ,
        "http://www.w3.org/ns/oa#hasSelector" : [ "nodeID://b57902993" ] } },

    { "id" : "_:b57902993"
      "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" : [ "seroconversion"] } } }