About: http://webisa.webdatacommons.org/391421940

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	If a document is a variable, when we pass it as an attachment we pass it by value.
http://www.w3.org/ns/prov#wasQuotedFrom	ouseful.info