PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • the Russian asteroid was only 18 yeards [17m] wide). ???That???s enough time to evacuate the area of people, take measures to protect buildings and other infrastructure, and be alert to a tsunami danger generated by ocean impacts,??? Tonry said.The typical asteroid is a ???rubble pile??? ??? a large collection of rocks and dust.
http://www.w3.org/ns/prov#wasQuotedFrom
  • astronomy.com