PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • VOIP services, including Skype, allow travelers to keep in touch with family and friends back at home often for free, when the same could come at a hefty cost over a traditional phone line.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wikitravel.org