PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Silk is a natural fiber, and the process of collecting and preparing raw silk has remained largely unchanged over the past 4,000 years.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.org