PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • They are studying natural catalysts used by plants and other organisms to produce fuel for growth, and it looks like a common compound, molybdenum sulfide, might be an inexpensive solution for catalyzing hydrogen production, the researchers reported earlier this month.
http://www.w3.org/ns/prov#wasQuotedFrom
  • go.com