About: http://webisa.webdatacommons.org/155516614

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	The time delay 30 may have a short time delay such as 3 to seconds to ensure that if a fault does occur, it is not a temporary fault which quickly corrects itself.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr