{ "items" : [
    { "id" : "_:b56157216"
      "properties" : {
        "http://www.w3.org/ns/oa#hasSource" : [ "http://ns.inria.fr/covid19/arg/61b81b8a7ae6fb58e62f72bcf2ccdc0a53c96dd6/1" ] ,
        "http://www.w3.org/ns/oa#hasSelector" : [ "nodeID://b56157217" ] } },

    { "id" : "_:b56157217"
      "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" : [ "UNK"] } } }