PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • AD is a biological process in which biodegradable organic matter is broken down by bacteria into biogas, which consists of methane, carbon dioxide, and other trace gases.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nycedc.com