PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As such, the search for life elsewhere in the universe has largely focused on aqua planets" with a lot of liquid water on their surfaces ?? either terrestrial planets largely covered with oceans, such as Earth, or theoretical ocean planets" completely covered by a layer of water hundreds of miles deep, somewhat like thawed versions of Jupiter's moon Ganymede.
http://www.w3.org/ns/prov#wasQuotedFrom
  • phys.org