About: http://webisa.webdatacommons.org/9302218

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	Anaudio message may also be used to provide the participants with other types of information and/or status of one participant, such as upon a request of the one participant to temporarily or permanently leave the conference call.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com