About: http://webisa.webdatacommons.org/411912364

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	This capability might especially useful in your scenario, because this way you are doing code diff only on a single method or class, even if it is actually nested in a huge source file.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com