PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Dr. Aigrain, and the groups that she works with, have so far been using light ??? electromagnetic radiation ??? as their primary tool to look for planets around stars other than the sun.
http://www.w3.org/ns/prov#wasQuotedFrom
  • scitechdaily.com