PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • ??? Further extending the format of a date with a range of years, the following enhancement was added : if the double years are more than a year apart and a day or month appears, such as in 15 July 1851/59, the event is assumed to fall on that date within that range of years, in this example on 15 July between 1851 and 1859 inclusively.
http://www.w3.org/ns/prov#wasQuotedFrom
  • geneanet.org