PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Additionally, stargazers can see deep sky objects such as open star clusters, globular star clusters, galaxies, planetary nebula (exploded stars) and reflection nebula (clouds of dust). ???When you???ve been observing as long as I have, these are like old friends,??? explained Holt. ???They have seasonal significance???certain things are only viewable at certain times of the year.
http://www.w3.org/ns/prov#wasQuotedFrom
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