PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It includes organic bases, inorganic alkaline agents, such as pyridine, hydroxides or carbonates of alkali or alkaline-earth elements, for example potassium hydroxide, sodium hydroxide, sodium carbonate, potash, etc.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.ca