PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • His ???dirty snowball??? model proposes that the nucleus is a mixture of ices, dust and rock, an idea confirmed by several space missions that have rendezvoused with cometary nuclei.
http://www.w3.org/ns/prov#wasQuotedFrom
  • swin.edu.au