PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The herculean task for Turnbull was sifting through all these stars and identifying the most habitable systems, fleshing them out using as criteria: x-ray luminosity (most important), color, rotation, metallicity and other features.
http://www.w3.org/ns/prov#wasQuotedFrom
  • counterpunch.org