About: http://webisa.webdatacommons.org/411419756

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 following is an email sent to me, in response to this column, which demonstrates the point nicely:
http://www.w3.org/ns/prov#wasQuotedFrom	dangardner.ca