PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • production Introduction The undesirable formation of gas hydrates in natural gas pipelines, and their prevention is a problem that has received considerable interest.
http://www.w3.org/ns/prov#wasQuotedFrom
  • osti.gov