About: http://webisa.webdatacommons.org/398226123

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	For example, if the event were a price promotion, this field would be populated with the date corresponding to the first day of the price promotion.
http://www.w3.org/ns/prov#wasQuotedFrom	google.se