PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • He theorized that the star, to generate so much speed, must initially have been part of a trio: a close pair of stars and a third that orbited the two. ???We think this third, outer, star was sort of trapped into an orbit around the black hole because it was farther out,??? says Brown.
http://www.w3.org/ns/prov#wasQuotedFrom
  • harvardmagazine.com