PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The filter we found to be thebest removes chlorine, lead, mercury, iron, chlorine by-products, arsenic, hydrogen sulfide, and many otherunseen contaminants, such as bacteria, fungi, dirt andsediments.
http://www.w3.org/ns/prov#wasQuotedFrom
  • slideshare.net