About: http://webisa.webdatacommons.org/410489139

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 the message is error-free, a check is made whether the message is a control message for the level 2 (20. to 21.).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com