About: http://webisa.webdatacommons.org/383893114

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	here is my first draft of an answer- I will get into more detail as time allows, but I want to give the OP some sort of answers.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com