PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • According to Jean Eaglesham and Jeremy Lemer???s Financial Times article - ???US Law to Squeeze Conflict Minerals,??? these precious metals and minerals, such as tantalum, are responsible for the existence of key electronic components, such as the capacitors which are found in automobiles, personal computers, and mobile phones.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blackstarnews.com