PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, unfortunately operating at these said high temperatures leads to major problems such as catalyst deactivation, coking and by-product formation.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com.au