PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A lot of manufacturers have been improving the recyclability of their products, largely from reducing the types of materials and chemicals used, Skurnac said.
http://www.w3.org/ns/prov#wasQuotedFrom
  • arstechnica.com