PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This paper was written to describe an innovative ???on-demand??? industrial ventilation system for woodworking, metalworking, food processing, pharmaceutical, chemical, and other industries.
http://www.w3.org/ns/prov#wasQuotedFrom
  • science.gov