PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Productive Resources: Production of goods and services in any economic system involves three types of resources: natural resources (for example, obtained from forests, fields, or mines), human resources (labor) and capital resources (any man-made instrument of production such as tools or machines).
http://www.w3.org/ns/prov#wasQuotedFrom
  • niu.edu