{ "items" : [
    { "id" : "http://dbpedia.org/resource/Dynamic_lot-size_model"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "The dynamic lot-size model in inventory theory, is a generalization of the economic order quantity model that takes into account that demand for the product varies over time. The model was introduced by Harvey M. Wagner and Thomson M. Whitin in 1958."] } } }
