About: http://webisa.webdatacommons.org/403763436

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	Your question is a bit abstract, so may be better suited to http://programmers.stackexchange.com , however I think there are still some points that would need to be cleared up before it can be really answered.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com