PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Some chemicals have mutagenic properties, and radiation such as ultraviolet light and x-rays is another common source of mutations.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.com