PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • One of the key reasons Hudson believes the time is ripe for a reusable rocket is the availability of extremely light, extremely rigid materials loosely termed composites, which means combinations of different materials, in this case not ordinary forms of foam and plastic.
http://www.w3.org/ns/prov#wasQuotedFrom
  • discovermagazine.com