About: http://webisa.webdatacommons.org/422750375

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 handlers can do whatever you want, but the most common scenario will be to implement cross-cutting concerns such as logging, validation, exception handling and authorization.
http://www.w3.org/ns/prov#wasQuotedFrom	msdn.com