PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For most countries, commercial energy sources are generally under-developed; the infrastructure, such as pipelines and power grids, to deliver commercial energy to customers', especially in rural areas, is poorly developed.
http://www.w3.org/ns/prov#wasQuotedFrom
  • scielo.org.za