About: http://webisa.webdatacommons.org/40011220

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	Controllers only live for a single request - so at the end of processing a request they are garbage collected (which means the DataContext is collected)...
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com