{ "items" : [
    { "id" : "http://dbpedia.org/resource/Frame_problem"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "In artificial intelligence, the frame problem describes an issue with using first-order logic (FOL) to express facts about a robot in the world. Representing the state of a robot with traditional FOL requires the use of many axioms that simply imply that things in the environment do not change arbitrarily. For example, Hayes describes a 'block world' with rules about stacking blocks together."] } } }
