{ "items" : [
    { "id" : "http://dbpedia.org/resource/Operations_research"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "Operations research, or operational research in British usage, is a discipline that deals with the application of advanced analytical methods to help make better decisions. It is often considered to be a sub-field of mathematics."] } } }
