PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • H2O is less than 6 times He mass, so there is an argument it should escape into space ergo Moon's surface should be dry (there is precious little He on Earth)
http://www.w3.org/ns/prov#wasQuotedFrom
  • davidicke.com