PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Examples of metal salts include alkali metal salts such as lithium, sodium, potassium, rubidium and cesium salts; alkaline earth metal salts such as beryllium, magnesium, calcium, strontium and barium salts; salts of group III metals in the periodic table, such as aluminum salts; salts of group IV metals in the periodic table, such as tin and lead salts; salts of group V metals in the periodic tab
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com