{ "items" : [
    { "id" : "http://dbpedia.org/resource/Warren_Abstract_Machine"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "In 1983, David H. D. Warren designed an abstract machine for the execution of Prolog consisting of a memory architecture and an instruction set. This design became known as the Warren Abstract Machine (WAM) and has become the de facto standard target for Prolog compilers."] } } }
