{ "items" : [
    { "id" : "http://dbpedia.org/resource/Charge_carrier"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "In physics, a charge carrier is a particle free to move, carrying an electric charge, especially the particles that carry electric charges in electrical conductors.   Examples are electrons, ions and holes.  In a conducting medium, an electric field can exert force on these free particles, causing a net motion of the particles through the medium; this is what constitutes an electric current."] } } }
