PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • To assess its current state and the relationship with earthquakes, Gianni Niccolini of the National Institute of Metrological Research in Turin and his colleagues monitored so-called acoustic emissions???high-frequency vibrations that are emitted sporadically as tiny cracks develop inside materials such as stone or concrete.
http://www.w3.org/ns/prov#wasQuotedFrom
  • aps.org