{ "items" : [
    { "id" : "http://dbpedia.org/resource/Futures_exchange"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "A futures exchange or futures market is a central financial exchange where people can trade standardized futures contracts; that is, a contract to buy specific quantities of a commodity or financial instrument at a specified price with delivery set at a specified time in the future. These types of contracts fall into the category of derivatives. Such instruments are priced according to the movement of the underlying asset (stock, physical commodity, index, etc.)."] } } }
