About: http://webisa.webdatacommons.org/78536082

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	sounds like a very unusual and very interesting task for some programming course. (I am going to teach java soon and I am thinking about including your 'problem' to the assignments set). +1.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com