PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Certain speculative technologies, such as the creation of negative-mass" (averaged null energy condition-violating) exotic matter and the manipulation of strange forms of matter, such as magnetic monopoles and Q-balls, on length scales much smaller than that of an atom appear in the setting, distinguishing it from ultra-hard science fiction (which assumes only technologies proven to be possible
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.com