PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • polyacrylamide are prepared by to Society of Petroleum Engineers Paper No. 2867. and the test results are summarized in FIG. 1.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com