PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Johnson is an international leader in the growing field of studying infrasound waves, the sub-audible, low frequency sound waves created by volcanoes, volcanic earthquakes and other phenomena.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nmt.edu