PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This is true most of all for languages such as Russian and Ukrainian, whose grammar is rather difficult for a non-Slav. I???ve been studying Russian for 4 years, and only now I could say my Russian language skills are quite good.
http://www.w3.org/ns/prov#wasQuotedFrom
  • voanews.com