PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Exposure to respirable coal mine dust can cause lung diseases including coal workers' pneumoconiosis (CWP), emphysema, silicosis, and chronic bronchitis, known collectively as ???black lung.??? These diseases are debilitating, incurable, and can result in disability, and premature death.
http://www.w3.org/ns/prov#wasQuotedFrom
  • federalregister.gov