PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The alkali sources that can be used here include alkali metal hydroxides such as sodium hydroxide, lithium hydroxide and potassium hydroxide.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.ca