PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Further reactions, such as those that generate methane, can capture the remaining available energy, though methane is a gas and therefore a waste product, unlike the earlier molecules in the pathway, which are constituents of biomass.
http://www.w3.org/ns/prov#wasQuotedFrom
  • americanscientist.org