About: http://webisa.webdatacommons.org/238019517

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	Referring again to FIG. 8, note that the Broadcast/NAK flag 611 will be set whenever the message is a Broadcast message or a Group Broadcast message.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com