{ "items" : [
    { "id" : "http://dbpedia.org/resource/Supersolid"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "A supersolid is a spatially ordered material with superfluid properties. Superfluidity is a special quantum state of matter in which a substance flows with zero viscosity."] } } }
