{ "items" : [
    { "id" : "http://ns.inria.fr/covid19/PMC7088664#title"
      "properties" : {
        "http://purl.org/dc/terms/subject" : [ "Public records",
          "Transducers",
          "Mobile telecommunications",
          "Medical records",
          "Sensors",
          "Radio resource management",
          "Measuring instruments",
          "Japanese inventions",
          "Health informatics",
          "Wireless communication systems",
          "Wireless networking",
          "Telecommunications infrastructure"] } } }
