PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Methane is a strong greenhouse gas, but nearly all of the seeps described in the new study leak at such deep ocean depths that methane does not reach the atmosphere directly, he emphasized.
http://www.w3.org/ns/prov#wasQuotedFrom
  • msstate.edu