PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This problem is particularly difficult to resolve in the case of stellar companions, objects that orbit a star -- or two. ??? American Scientist Artwork by Linda Huff (for Martin et al, 1997) used with permission.
http://www.w3.org/ns/prov#wasQuotedFrom
  • solstation.com