PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Chlorination is the most common method of chemically disinfecting water because it is easy to apply, readily available, and inexpensive.
http://www.w3.org/ns/prov#wasQuotedFrom
  • whentechfails.com