About: http://webisa.webdatacommons.org/402421162

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In one exemplary implementation, if the message is a voicemail, as discussed above, the voicemail file can be in a .wav format.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es