PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, the sending user cannot leave a message for the receiving user without taking some additional action already discussed such as sending an MMS or SMS message or calling the receiving user to leave a voicemail or other voice message.
http://www.w3.org/ns/prov#wasQuotedFrom
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