PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • there is a lot of debate about whether this is what is happening with the comet researchers and professors right now, they have a lot invested, both in dollars, credibility, and computer time, in the idea that all the comets are made of ice, and asteroids are a totally different, rock and iron based body pool, that it is skewing the science and observations.
http://www.w3.org/ns/prov#wasQuotedFrom
  • discovermagazine.com