{ "items" : [
    { "id" : "http://dbpedia.org/resource/Electromagnetic_propulsion"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "Electromagnetic propulsion (EMP), is the principle of accelerating an object by the utilization of a flowing electrical current and magnetic fields. The electrical current is used to either create an opposing magnetic field, or to charge a fluid, which can then be repelled." ] ,
        "http://www.w3.org/2000/01/rdf-schema#seeAlso" : [ "http://dbpedia.org/resource/Magnetohydrodynamics"] } } }
