PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It is easily hydrolyzed, forming hydrazoic acid which is not only a highly toxic and extremely sensitive explosive gas, but it also readily reacts with heavy metals such as copper, lead, etc. to form extremely sensitive solids that are subject to unexpected ignition or detonation.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com