RDF Types hierarchy (based on XQuery, XPath specifications)

rdf-types.yaml

data_types: # child-values can be used "as-is" if parent-type is requested
  "xs:anyType":
    "xs:untyped": {}
    "xs:anySimpleType":
      "xs:anyAtomicType":
        "xs:untypedAtomic": {}
        "xs:dateTime": {}
        "xs:date": {}
        "xs:time": {}
        "xs:duration":
          "xs:yearMonthDuration": {}
          "xs:dayTimeDuration": {}
        "xs:float": {}
        "xs:double": {}
        "xs:decimal":
          "xs:integer":
            "xs:nonPositiveInteger":
              "xs:negativeInteger": {}
            "xs:long":
              "xs:int":
                "xs:short":
                  "xs:byte": {}
            "xs:nonNegativeInteger":
              "xs:unsignedLong":
                "xs:unsignedInt":
                  "xs:unsignedShort":
                    "xs:unsignedByte": {}
              "xs:positiveInteger": {}
        "xs:string":
          "xs:normalizedString":
            "xs:token":
              "xs:language": {}
              "xs:NMTOKEN": {}
              "xs:Name":
                "xs:NCName":
                  "xs:id": {}
                  "xs:IDREF": {}
                  "xs:ENTITY": {}
        "xs:gYearMonth": {}
        "xs:gYear": {}
        "xs:gMonthDay": {}
        "xs:gDay": {}
        "xs:gMonth": {}
        "xs:boolean": {}
        "xs:base64Binary": {}
        "xs:hexBinary": {}
        "xs:anyURI": {}
        "xs:QName": {}
        "xs:NOTATION": {}

promotions: # casting of values
  "xs:double": ["xs:float", "xs:decimal"]
  "xs:float": ["xs:decimal"]
  "xs:string": ["xs:anyUri"]

metatypes: # values used "as-is"
  numeric: ["xs:integer", "xs:decimal", "xs:float", "xs:double"]