PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • To William S. Bainbridge, the history of the CFF suggested that there was little or no opportunity for amateurs to participate in furthering the exploration, exploitation, and colonization of the solar system.[31] Yet the CFF was a harbinger in many ways, particularly in its efforts to project a broad, positive vision of the future that fully incorporated the spaceflight revolution, and to involve
http://www.w3.org/ns/prov#wasQuotedFrom
  • nss.org