Relation pm#Higgins_property (?,?)
  supertype:  relation_coming_from_an_ontology
  subtype:  Higgins_annotation_property (?,?)
     subtype:  base (?,?)
     subtype:  fractionDigits (?,?)
     subtype:  length (?,?)
     subtype:  maxExclusive__maxexclusive (?,?)
     subtype:  maxInclusive__maxinclusive (?,?)
     subtype:  maxLength__maxlength (?,?)
     subtype:  minExclusive__minexclusive (?,?)
     subtype:  minInclusive__mininclusive (?,?)
     subtype:  minLength__minlength (?,?)
     subtype:  pattern (?,?)
     subtype:  totalDigits (?,?)
  subtype:  Higgins_datatype_property (?,?)
     subtype:  simpleMetadata (Value,DigitalSubject)  Used as the super-Property of some DatatypeProperties whose domain is higgins#ValeAndMetadata or higgins#DigitalSubject to indicate that these properties are considered to be metadata about the ValueAndMetadata (or DigitalSubject)
        subtype:  subjectId__subjectid (SubjectRelationship,normalizedString)
           subtype:  subjectCUID (SubjectRelationship,normalizedString)
        subtype:  validFrom__validfrom (TimeSpan,date)
        subtype:  validTo__validto (TimeSpan,date)
        subtype:  lastModified (Value,dateTime)
        subtype:  syncConflict (Value,boolean)
        subtype:  lastVerifiedFromSource (Value,date)
        subtype:  lastVerifyAttempt (Value,date)
        subtype:  creationTime (Value,date)
        subtype:  simpleValue (SimpleValue,DigitalSubject)
           subtype:  string (String,string)
           subtype:  normalizedString (NormalizedString,normalizedString)
           subtype:  base64Binary (Base64Binary,base64Binary)
           subtype:  integer (Integer,integer)
           subtype:  dateTime (DateTime,dateTime)
           subtype:  boolean (Boolean,boolean)
           subtype:  decimal (Decimal,decimal)
           subtype:  nonNegativeInteger__nonnegativeinteger (NonNegativeInteger,nonnegative_integer)
           subtype:  positiveInteger (PositiveInteger,positiveInteger)
           subtype:  nonPositiveInteger__nonpositiveinteger (NonPositiveInteger,nonPositiveInteger)
           subtype:  negativeInteger (NegativeInteger,negativeInteger)
           subtype:  float (Float,float)
           subtype:  double (Double,double)
           subtype:  long (Long,long)
           subtype:  int (Int,int)
           subtype:  short (Short,short)
           subtype:  byte (Byte,byte)
           subtype:  unsignedInt (UnsignedInt,unsignedInt)
           subtype:  unsignedLong (UnsignedLong,unsignedLong)
           subtype:  unsignedShort (UnsignedShort,unsignedShort)
           subtype:  unsignedByte (UnsignedByte,unsignedByte)
           subtype:  hexBinary__hexbinary (HexBinary,hexBinary)
           subtype:  time (Time,time)
           subtype:  date (Date,date)
           subtype:  gYear__gyear (GYear,gYear)
           subtype:  gYearMonth__gyearmonth (GYearMonth,gYearMonth)
           subtype:  gMonthDay (GMonthDay,gMonthDay)
           subtype:  gDay__gday (GDay,gDay)
           subtype:  gMonth__gmonth (GMonth,gMonth)
           subtype:  anyURI (AnyURI,anyURI)
           subtype:  token (Token,token)
           subtype:  nMTOKEN (NMTOKEN,NMTOKEN)
           subtype:  language (Language,language)
           subtype:  name (Name,Name)
           subtype:  nCName (NCName,NCName)
  subtype:  Higgins_object_property (?,?)
     subtype:  contextRelationship (ContextObject,ContextRelationship)
     subtype:  contextId__contextid (Higgins_Relationship,ContextId)
        subtype:  contextURI (Higgins_Relationship,ContextId)
     subtype:  attribute (Higgins_ContextObject_or_DigitalSubject,Higgins_Attribute_or_Value)  Instances of this property are used to point to one or more values (i.e. cases where (i.e. cases where the range is higgins:Value). One instance (at most) may also be used to point to a holder of metadata (an instance of higgins:Attribute) about the entire set of values.
        subtype:  uniqueIdentifier (DigitalSubject -> String)
        subtype:  relation (Higgins_ContextObject_or_DigitalSubject,SubjectRelationship)  A directed relation between two Digital Subjects
           subtype:  correlation (Higgins_ContextObject_or_DigitalSubject,SubjectRelationship)  A directed relation between two Digital Subjects believed to represent the same underlying Entity
        subtype:  firstname (Person,NormalizedStringSimpleAttribute)
        subtype:  surname (Person,NormalizedStringSimpleAttribute)
        subtype:  postalAddress (Person,PostalAddress)
        subtype:  streetAddress (PostalAddress,String)
        subtype:  city (PostalAddress,String)
        subtype:  state (Higgins_ContextObject_or_DigitalSubject,String)
        subtype:  postalCode (PostalAddress,String)
        subtype:  country (PostalAddress,String)
        subtype:  friend (DigitalSubject,SubjectRelationship)
     subtype:  complexMetadata__complexmetadata (Higgins_DigitalSubject_or_Value,?)  Used as the super-Property of some ObjectProperties of higgins:ValueAndMetadata or higgins:DigitalSubject to indicate that these properties are considered to be metadata about the ValueAndMetadata (or DigitalSubject)
        subtype:  source (Value,SubjectRelationship)
        subtype:  creator (Value,SubjectRelationship)
        subtype:  timeSpan (Higgins_DigitalSubject_or_Value,TimeSpan)