About: http://webisa.webdatacommons.org/217180143

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	So email messages are incoming data, while articles I write, blog posts I edit, and other content I generate form outgoing data.
http://www.w3.org/ns/prov#wasQuotedFrom	govexec.com