PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Aquion makes a battery made from salt, water and other low cost, abundant materials that is stackable and scalable, so energy storage capacity can be added or subtracted easily.
http://www.w3.org/ns/prov#wasQuotedFrom
  • gigaom.com