PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Once the technology is demonstrated and the facilities are constructed the maintenance and upgrade would possibly be quite easy because it would only mean the switching out of the modules or parts of the modules, and all components could be easily mass produced. /some are already are/Another advantage is that the these stations need to be in areas where there is a large number of days with clear s
http://www.w3.org/ns/prov#wasQuotedFrom
  • freespaceships.com