{ "items" : [
    { "id" : "http://dbpedia.org/resource/Canonical_map"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "In mathematics, a canonical map, also called a natural map, is a map or morphism between objects that arises naturally from the definition or the construction of the objects.A closely related notion is a structure map or structure morphism; the map that comes with the given structure on the object."] } } }
