PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Even in the clean rooms" of semiconductor fabrication facilities contamination can arise from human contact, solvent residues and oils from various operations, metals, dust particles, organics and other materials present in processing reagents.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com