About: http://webisa.webdatacommons.org/131002979

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	Plug-ins/something can then subscribe to these events and do stuff such as informing sales and logging the fact.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com