PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The scientists demonstrated real-time, quantitative measurements of traces of gas, the frequencies and strength of signals signifying changes in energy levels, and other changes due to collisions and temperature changes inside the cavity.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nist.gov