PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The audible sound generation is typically accomplished using a headset or other speaker arrangement, including devices known as ???ear-pieces???, ear-buds, headphones, headset, or other variations.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com