About: http://webisa.webdatacommons.org/456251289

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	Typically, the audio source is a user of the headset and the audio signal represents the user's speech.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com