About: http://webisa.webdatacommons.org/68989255

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	For an extra layer of security you may want to compare your string with a regular expression to verify it uses the format your expecting.
http://www.w3.org/ns/prov#wasQuotedFrom	dreamincode.net