About: http://webisa.webdatacommons.org/278260764

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	If at block 514 the message identifier is greater than or equal to 20, then the message is a control message which directs the server to execute a server function.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr