{ "items" : [
    { "id" : "http://ns.inria.fr/covid19/PMC7354833#body_text"
      "properties" : {
        "http://purl.org/dc/terms/subject" : [ "Hydraulic engineering",
          "Software architecture",
          "Water resources management",
          "Cybernetics",
          "Search algorithms",
          "Genetic algorithms",
          "Evolutionary algorithms"] } } }
