PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Construction is an issue, especially on the scale necessary to make any sort of dent in our power needs, but unless you are planning on setting up a large industrial plant on the moon, just about everything will have to come from Earth anyway, so launch costs are going to be comparable between the two.
http://www.w3.org/ns/prov#wasQuotedFrom
  • dailykos.com