About: http://webisa.webdatacommons.org/84685264

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	Instead of the second message containing data, the second message may have an all-zero payload, e.g. if the second message is a response message (indicating an end of the data transmission).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com