PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It might also be cheaper because it does not use a catalyst made of platinum or other precious metals, as is common in other experimental artificial photosynthesis systems.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ieee.org