PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It was concluded that drinking water, especially well water in the rural areas ofHigh-tech District in Tai???an City was slightly polluted.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ccsenet.org