PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Clocks of mission-critical or highly-available devices in industrial automation systems connected to a communicationnetwork are synchronized by sending, by a master clock, a synchronization message, in particular a single message of the one-step-clock type according to IEEE 1588, including a time stamp, and by receiving and evaluating, by a slave clock, thesynchronization message.
http://www.w3.org/ns/prov#wasQuotedFrom
  • slideshare.net