PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Although it is not considered a best practice to use a free email service as the administrative or registrant contact for your domain names, I know quite a few people who do use services such as Hotmail and Gmail.
http://www.w3.org/ns/prov#wasQuotedFrom
  • domaininvesting.com