PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In these cases, there are a number of approaches that can be used to drive the hydrogen sulfide from the sulfur, which will be discussed in more detail later.
http://www.w3.org/ns/prov#wasQuotedFrom
  • oilandgasonline.com