PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Large solid rocket boosters are a difficult technology to master because it is mostly technique and quality control, the formulas of the most common fuels are fairly well known.
http://www.w3.org/ns/prov#wasQuotedFrom
  • strategypage.com