PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In Vietnam, hammer and anvil was an infantry strategy of surrounding an enemy base area, then sending in other units, such as airmobile cavalry that used armed helicopters (UH-1) to drive the enemy out of hiding into a clearing where the communist force was mauled by the waiting friendly infantry units using machine guns and mortars.
http://www.w3.org/ns/prov#wasQuotedFrom
  • historywarsweapons.com