PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Compaction is a problem that must be addressed to ensure that there is no ???pan??? or layer of compacted soil.
http://www.w3.org/ns/prov#wasQuotedFrom
  • docstoc.com