PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The most convenient strong bases to use are the hydroxides of the alkali metals, such as sodium hydroxide, potassium hydroxide, lithium hydroxide, cesium hydroxide, and rubidium hydroxide.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com