PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Whereas industrial carbon-based chemistry can draw on the diversity of compounds produced from crude oil, coal or other natural sources, silicon chemistry 2 relies almost exclusively on the carbothermal reduction of SiO2 to silicon.
http://www.w3.org/ns/prov#wasQuotedFrom
  • umich.edu