PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Gravity is a force that lacks activation, since it is constant and the only way that we know of to produce gravitons uniformly from a surface is to make that surface have a lot of mass!
http://www.w3.org/ns/prov#wasQuotedFrom
  • cnn.com