PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Push-to-talk is a two-way, radio-style channel for simultaneous voice communication between multiple users, according to Bravo's website, and is common in some industries such as oil and gas and construction.
http://www.w3.org/ns/prov#wasQuotedFrom
  • tradearabia.com