PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In some embodiments, a metal such as gold is deposited at an angle of from 30??? or about 30??? to 60??? or about 60???.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com