About: http://webisa.webdatacommons.org/319748802

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	I believe that your test code for that option is actually just another example of the first option (Assign a value to a variable using the assignment syntax).
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com