{ "items" : [
    { "id" : "http://dbpedia.org/resource/Traffic_flow"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "In mathematics and civil engineering, traffic flow is the study of interactions between vehicles, drivers, pedestrians, cyclists, other travelers and infrastructure (including highways, signage, and traffic control devices), with the aim of understanding and developing an optimal road network with efficient movement of traffic and minimal traffic congestion problems."] } } }
