PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The synchronous symbols shown in FIGS. 33, 34 are used for time-synchronizing the reception apparatus with the transmission apparatus; however, the symbols are not limited to this usage, and they can be used for, e.g. estimating a frequency offset between the reception apparatus and the transmission apparatus.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com