{ "items" : [
    { "id" : "http://dbpedia.org/resource/Structural_material"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "Structural engineering depends on the knowledge of materials and their properties, in order to understand how different materials support and resist loads. Common structural materials are:" ] ,
        "http://www.w3.org/2000/01/rdf-schema#seeAlso" : [ "http://dbpedia.org/resource/Steel_frame"] } } }
