PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Many of today's best-known GIS systems began as of mainframe- and mini-computer-based applications that combined a wealth of information, such as digitized maps, population and census data, climate and environmental resource data, and other resources into the ability to call up both analysis and maps, often with sophisticated overlays, in response to specific job requests.
http://www.w3.org/ns/prov#wasQuotedFrom
  • devx.com