About: http://webisa.webdatacommons.org/227257090

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	Assuming you know Python, and if you do not today is a good day to start...the documentation for the apt python bindings has a worked example which is relevant, though it may not be a complete solution.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com