About: http://webisa.webdatacommons.org/252275080

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	Therefore, I think that having the choice between passing session by value or by reference is a good thing; I do agree about the visibility of this feature in the documentation.
http://www.w3.org/ns/prov#wasQuotedFrom	msdn.com