PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I intend to keep the chemistry as simple as possible, mostly sticking to reactions that are well-known and easy to run.
http://www.w3.org/ns/prov#wasQuotedFrom
  • arstechnica.com