PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • By Liz Kruesi | Published: Thursday, November 03, 2005After scientists subtracted the infrared light of stars, galaxies, and other artifacts from this 10-hour Spitzer exposure, the diffuse background was revealed.
http://www.w3.org/ns/prov#wasQuotedFrom
  • astronomy.com