PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I first became aware of the idea of some sort of late Pleistocene ???cosmic event??? in the late Spring of 2007 when, like may other scientists, I heard about a symposium on the topic at the American Geophysical Union meetings in Acapulco where the hypothesis was essentially unveiled to the scientific community.
http://www.w3.org/ns/prov#wasQuotedFrom
  • arizona.edu